<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet type="text/xsl" href="../assets/xml/rss.xsl" media="all"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Vestigium (Publicaciones sobre Agda)</title><link>https://jaalonso.github.io/vestigium/</link><description></description><atom:link href="https://jaalonso.github.io/vestigium/tags/agda.xml" rel="self" type="application/rss+xml"></atom:link><language>es</language><copyright>Contents © 2026 &lt;a href="mailto:"&gt;José A. Alonso&lt;/a&gt; 
&lt;a rel="license" href="https://creativecommons.org/licenses/by-nc-sa/4.0/"&gt;
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src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png"&gt;&lt;/a&gt;</copyright><lastBuildDate>Thu, 01 Oct 2026 12:59:59 GMT</lastBuildDate><generator>Nikola (getnikola.com)</generator><docs>http://blogs.law.harvard.edu/tech/rss</docs><item><title>Readings shared September 28, 2026</title><link>https://jaalonso.github.io/vestigium/posts/2026/09/28-readings_shared_09-28-26/</link><dc:creator>José A. Alonso</dc:creator><description>&lt;p&gt;The readings shared in &lt;a href="https://mathstodon.xyz/@Jose_A_Alonso"&gt;Mastodon&lt;/a&gt; on 28 September 2026 are:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://frenzymath.com/blog/lavertable/"&gt;A formalization at large (Laver function in Lean)&lt;/a&gt;. ~ Leheng Chen, Bin Dong, Jiedong Jiang, Zhiyuan Zhang. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2509.19632"&gt;Formalization of Harder-Narasimhan theory&lt;/a&gt;. ~ Yijun Yuan. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2609.26806v1"&gt;Gödel's and Scott's variants of the ontological argument in Lean 4&lt;/a&gt;. ~ Christoph Benzmüller. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://hal.science/hal-05746185/document"&gt;Formalization of Langlands’s first main lemma for local epsilon factors&lt;/a&gt;. ~ Fukuhiro Ueda. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/stormj-UH/spivak-lean"&gt;Lean 4 formalization of Michael Spivak's "Calculus" (covering both the 3rd and 4th editions)&lt;/a&gt;. ~ Jon-Erik G. Storm. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://aitp-conference.org/2026/abstract/AITP_2026_paper_6.pdf"&gt;Visual Lean: An accessible interface for Lean 4 proofwriting&lt;/a&gt;. ~ Autumn Mapes. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2609.20876"&gt;A formalisation of a special case of the union-closed conjecture in Isabelle/HOL&lt;/a&gt;. ~ Angeliki Koutsoukou-Argyraki, Lawrence C. Paulson. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2609.20876v1"&gt;A formalisation of a special case of the union-closed conjecture in Isabelle/HOL&lt;/a&gt;. ~ Angeliki Koutsoukou-Argyraki, Lawrence C. Paulson. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/DPDA_Complement_HU.html"&gt;Deterministic context-free languages are closed under complementation (Hopcroft and Ullman)&lt;/a&gt;. ~ Kaan Taskin, Tobias Nipkow. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://link.springer.com/article/10.1007/s00605-025-02078-x"&gt;Notes on Gödel’s and Scott’s variants of the ontological argument&lt;/a&gt;. ~ Christoph Benzmüller, Dana Scott. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Teichmuller_Tukey_Lemma.html"&gt;The Teichmüller-Tukey lemma (in Isabelle/HOL)&lt;/a&gt;. ~ Vithor Lindermann Kraisch, Luiz Gustavo Cordeiro. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://fmcad.org/FMCAD26/vstte/preprints/paper-1.pdf"&gt;Verified QBF solving in Isabelle/HOL: a trustworthy baseline for mechanised quantified boolean reasoning&lt;/a&gt;. ~ Axel Bergström, Tjark Weber. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2511.20550"&gt;Verifying numerical methods with Isabelle/HOL&lt;/a&gt;. ~ Dustin Bryant, Jonathan Julian Huerta y Munive, Simon Foster. #IsabelleHOL #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2511.20550"&gt;Verifying numerical methods with Isabelle/HOL&lt;/a&gt;. ~ Dustin Bryant, Jonathan Julian Huerta y Munive, Simon Foster. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Joinable_BST_Work_Bounds.html"&gt;Work bounds for strongly joinable balanced binary search trees (in Isabelle/HOL)&lt;/a&gt;. ~ Marco Haucke. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2609.25561"&gt;Formal verification of tilt estimation using the Rocq prover&lt;/a&gt;. ~ Reynald Affeldt, Lynda Bentoucha, Yoshihiro Ishiguro, Holger Thies. #RocqProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://members.loria.fr/DLarchey/files/papers/ARQNL26.pdf"&gt;The logic of Bunched implications is undecidable, mechanized in Rocq&lt;/a&gt;. ~ Dominique Larchey-Wendling. #Rocq #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://cbsoft.sbc.org.br/2026/data/papers/sblp/A%20Mechanized%20Formalization%20of%20MicroKanren%20in%20Agda.pdf"&gt;A mechanized formalization of MicroKanren in Agda&lt;/a&gt;. ~ Eduardo Henke, Rodrigo Ribeiro. #Agda #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://gilkalai.wordpress.com/2026/09/22/be-a-grothendieck-on-ai-and-mathematics/"&gt;"Be a Grothendieck!" — On AI and mathematics&lt;/a&gt;. ~ Gil Kalai. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://ai.math.ms/en/research/"&gt;AI and mathematical research&lt;/a&gt;. ~ Claudia Alfes, Thomas Nikolaus, Andreas Thom. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://proofsandprompts.com/2026/09/24/all-the-math-we-will-not-see/"&gt;All the math we will not see&lt;/a&gt;. ~ Alessandro Della Corte. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://theconversation.com/el-miedo-al-lado-oscuro-de-la-ia-en-la-comunidad-matematica-292151"&gt;El miedo al lado oscuro de la IA en la comunidad matemática&lt;/a&gt;. ~ Anabel Forte Deltell. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://proofsandprompts.com/2026/09/23/navigating-the-ai-crisis-a-humble-guide-for-students/"&gt;Navigating the AI crisis: a humble guide for students&lt;/a&gt;. ~ Tarik Aougab. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://youtu.be/TcEefrWrddA"&gt;New math + AI developments in fluid mechanics&lt;/a&gt;. ~ Javier Gomez-Serrano. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://proofsandprompts.com/2026/09/22/proofforum-keeping-ai-generated-mathematics-human/"&gt;ProofForum: Keeping AI-generated mathematics human&lt;/a&gt;. ~ Marco Trombetti. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://cmsa.fas.harvard.edu/aimathphd_summit/"&gt;Summit on PhD math education in the age of AI&lt;/a&gt;. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.oswaldosrm.com/single-post/the-scientific-debate-over-ai-in-mathematics"&gt;The scientific debate over AI in mathematics&lt;/a&gt;. ~ Oswaldo Royett. #AI4Maht&lt;/li&gt;
&lt;li&gt;&lt;a href="https://theconversation.com/realmente-ha-resuelto-openai-el-problema-matematico-del-milenio-de-navier-stokes-291596"&gt;¿Realmente ha resuelto OpenAI el "problema matemático del milenio" de Navier-Stokes? ~ Víctor Javier Llorente Lázaro&lt;/a&gt;. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://youtu.be/60kHy3vDvU8"&gt;Enscryerypt: Encrypt and decrypt files with Scryer Prolog&lt;/a&gt;. ~ Markus Triska. #Prolog #LogicProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://eleccionobarbarie.com/2026/09/23/que-son-los-numeros-reales-ii/"&gt;¿Qué son los números reales? II&lt;/a&gt;. ~ Esteban Martínez. #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/calculemus/posts/2026/08/09-desigualdad_triangular_inversa/"&gt;#Calculemus: Demostraciones con Lean 4 del Reto 13 (Desigualdad triangular inversa: ||x| - |y|| ≤ |x - y|)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/calculemus/posts/2026/08/09-dos_n_mas_nueve_acotado_por_potencia/"&gt;#Calculemus: Demostraciones con Lean 4 del Reto 14 (Para todo n ∈ ℕ, 2n + 9 ≤ 2ⁿ⁺⁴)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/calculemus/posts/2026/08/18-existe_k_cuadrado_acotado_por_potencia_de_dos/"&gt;#Calculemus: Demostraciones con Lean 4 del Reto 15 (Existe un k ∈ ℕ tal que, para todo n ∈ ℕ, (n + k)² ≤ 2ⁿ⁺ᵏ)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/calculemus/posts/2026/09/16-las_sucesiones_convergentes_son_sucesiones_de_cauchy_v2/"&gt;#Calculemus: Demostraciones con Lean 4 del Reto 19 (Las sucesiones convergentes son sucesiones de Cauchy)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/vestigium/posts/2026/09/27-formalizacion-del-libro-calculus-de-spivak-en-lean-4/"&gt;#Vestigium: Formalización del libro "Calculus" de Spivak en Lean 4&lt;/a&gt;. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/vestigium/posts/2026/09/23-lista-de-usos-y-expectativas-de-la-ia-en-matematicas/"&gt;#Vestigium: Lista de usos y expectativas de la IA en matemáticas&lt;/a&gt;. #AI4Math&lt;/li&gt;
&lt;/ul&gt;</description><category>Agda</category><category>AI4Maht</category><category>IsabelleHOL</category><category>ITP</category><category>LeanProver</category><category>LogicProgramming</category><category>Math</category><category>Prolog</category><category>RocqProver</category><guid>https://jaalonso.github.io/vestigium/posts/2026/09/28-readings_shared_09-28-26/</guid><pubDate>Mon, 28 Sep 2026 04:00:00 GMT</pubDate></item><item><title>Readings shared August 31, 2026</title><link>https://jaalonso.github.io/vestigium/posts/2026/08/31-readings_shared_08-31-26/</link><dc:creator>José A. Alonso</dc:creator><description>&lt;p&gt;The readings shared in &lt;a href="https://mathstodon.xyz/@Jose_A_Alonso"&gt;Mastodon&lt;/a&gt; on 31 August 2026 are:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2608.20793"&gt;A Lean 4 verification report for subregular affine cells and the level −1 vertex algebra of type D, ~ Sihai Jin&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.proofatlas.ai/papers/bondy-longest-cycle-proof/Bondy_Longest_Cycle_Formalized_Proof_2026-08-16.pdf"&gt;A formalized proof of Bondy’s minimum-degree longest-cycle conjecture&lt;/a&gt;. ~ Lech Mazur. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.researchgate.net/profile/Ralf-Stephan/publication/413520035_Even_integral_parts_of_powers_of_square_roots/links/6a8aaf312cf67a11560ce505/Even-integral-parts-of-powers-of-square-roots.pdf"&gt;Even integral parts of powers of square roots&lt;/a&gt;. ~ Ralf Stephan. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2509.19632"&gt;Formalization of Harder-Narasimhan theory&lt;/a&gt;. ~ Yijun Yuan. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2608.23652v1"&gt;Improved bounds for the smallest 4-chromatic graph of girth six&lt;/a&gt;. ~ Glauco Rampone. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2608.25449v1"&gt;MathAdv: What theorem provers know, reason, formalize, and generalize&lt;/a&gt;. ~ Jiaxin Yuan et als. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://adam.math.hhu.de/#/g/k88-b/NumberTheoryGame"&gt;Number theory game (An introduction to integer arithmetic and formal proofs)&lt;/a&gt;. ~ kostya88. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2608.20432v1"&gt;ProofJudge: Tool-grounded LLM evaluation of formal proof quality in Mathlib&lt;/a&gt;. ~ Shane Caldwell. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.preprints.org/frontend/manuscript/e5c2b75afc9edc91e0c7c3164cbd210b/download_pub"&gt;Prove2Me: An open collaborative platform for scaling math formalization&lt;/a&gt;. ~ Shuze Chen, Xiaoyang Lu, Kunal Marwaha, Tianyi Peng, Henry Yuen. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Laurent_Annulus.html"&gt;Laurent series expansions on an annulus (in Isabelle/HOL)&lt;/a&gt;. ~ Manuel Eberl. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Miquel.html"&gt;Miquel's theorem in Isabelle/HOL&lt;/a&gt;. ~ Arthur Freitas Ramos, David Barros Hulak, Ruy Jose Guerra Barretto de Queiroz. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Multitape_TM_Substrate.html"&gt;Multitape Turing machine substrate (in Isabelle/HOL)&lt;/a&gt;. ~ András Z. Salamon, Michael Wehar. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Multitape_Alphabet_Enlargement.html"&gt;Multitape alphabet enlargement (in Isabelle/HOL)&lt;/a&gt;. ~ András Z. Salamon, Michael Wehar. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Multitape_Alphabet_Reduction.html"&gt;Multitape alphabet reduction (in Isabelle/HOL)&lt;/a&gt;. ~ András Z. Salamon, Michael Wehar. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Multitape_Alphabet_Roundtrip.html"&gt;Multitape alphabet roundtrip (in Isabelle/HOL)&lt;/a&gt;. ~ András Z. Salamon, Michael Wehar. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://link.springer.com/article/10.1007/s10817-026-09756-x"&gt;Proving total correctness of top-down solvers with widening and narrowing&lt;/a&gt;. ~ Sarah Tilscher, Alexandra Graß, Helmut Seidl, Yannick Stade. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Trace_Based_Rely_Guarantee.html"&gt;Trace based semantics for rely guarantee (in Isabelle/HOL)&lt;/a&gt;. ~ Marialena Hadjikosti, Andrei Popescu, Jamie Wright. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2507.10181"&gt;A simple formalization of alpha-equivalence&lt;/a&gt;. ~ Kalmer Apinis, Danel Ahman. #RocqProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2608.23721v1"&gt;Autoformalizing the calculation of π₃(S²)&lt;/a&gt;. ~ Daniel Carranza, Chunyi Liu, Emily Riehl, Egbert Rijke. #Agda #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2608.23691v1"&gt;Autonomous mathematical discovery in an open-world multi-agent environment&lt;/a&gt;. ~ Stephen Chung, Wenyu Du, William J. Wesley. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://proofsandprompts.com/2026/08/27/the-future-mathematical-system-ai-tools-human-contribution-and-mathematical-evaluation/"&gt;Evaluating mathematical merit (AI-reproducible work, human mathematical contribution, and a residual evaluation framework)&lt;/a&gt;. ~ Qi Guo. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.math.toronto.edu/mgualt/math-blog/posts/math-and-llm-2026/"&gt;Mathematics and the LLM: 2026 (A letter to the mathematical community, to be published in the Notices of the AMS)&lt;/a&gt;. ~ Marco Gualtieri. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://proofsandprompts.com/2026/08/26/statement-on-ai-usage-for-phd-students/"&gt;Statement on AI usage for PhD students&lt;/a&gt;. ~ Manuel Rivera. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2608.23218v1"&gt;What is mathematics now, and what should it be?&lt;/a&gt; ~ Jeremy Avigad. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://entropicthoughts.com/curmudgeon-tries-language-server"&gt;A curmudgeon tries a language server&lt;/a&gt;. ~ kqr. #Haskell #FunctionalProgramming #Emacs #Lisp&lt;/li&gt;
&lt;li&gt;&lt;a href="https://mgarletmilani.com/blog/2026-06-03-tessellations/"&gt;Haskell diagrams: Tessellations&lt;/a&gt;. ~ Marcelo Garlet Milani. #Haskell #FunctionalProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://funcall.blogspot.com/2026/08/with-ai.html"&gt;(WITH-AI …)&lt;/a&gt; ~ Joe Marshall. #CommonLisp #AI4Coding&lt;/li&gt;
&lt;li&gt;&lt;a href="https://funcall.blogspot.com/2026/08/will-it-lisp.html"&gt;Will it Lisp?&lt;/a&gt; ~ Joe Marshall. #CommonLisp #VibeCoding&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.quantamagazine.org/does-computer-science-need-computers-20260828"&gt;Does computer science need computers?&lt;/a&gt; ~ Ben Brubaker. #CompSci&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.gaussianos.com/un-cuerno-finito-infinito/"&gt;Un cuerno finito-infinito&lt;/a&gt;. ~ Miguel Ángel Morales. #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/calculemus/posts/2026/06/07-52n_-_23n_es_divisible_por_17/"&gt;#Calculemus: Demostraciones con Lean 4 del Reto 5 (5²ⁿ - 2³ⁿ es divisible por 17)&lt;/a&gt;. #LeanProver #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/calculemus/posts/2026/05/31-infinitud_de_primos_v2/"&gt;#Calculemus: Demostraciones en Lean 4 del Reto 4 (Existen infinitos números primos)&lt;/a&gt;. #LeanProver #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://t.me/Retos_Matematicos/109557/143443"&gt;#RetoLean4: Enunciado del reto 17 (las sucesiones convergentes están acotadas)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://live.lean-lang.org/#url=https://github.com/jaalonso/Retos/blob/main/src/Reto_16.lean"&gt;#RetoLean4: Soluciones del reto 16 (para todo n ∈ N, n(n+1)(2n+1) es divisible por 6)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://live.lean-lang.org/#url=https://github.com/jaalonso/Retos/blob/main/src/Reto_15.lean"&gt;#RetoLean4: Soluciones del reto 15 ((∃ k ∈ ℕ)(∀ n ∈ N)[(n + k)² ≤ 2ⁿ⁺ᵏ])&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://t.me/Retos_Matematicos/109557/143325"&gt;#RetoLean4: Enunciado del reto 16 (para todo n ∈ N, n(n+1)(2n+1) es divisible por 6)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;/ul&gt;</description><category>Agda</category><category>AI4Math</category><category>CommonLisp</category><category>CompSci</category><category>Emacs</category><category>FunctionalProgramming</category><category>Haskell</category><category>IsabelleHOL</category><category>ITP</category><category>LeanProver</category><category>Lisp</category><category>Math</category><category>RocqProver</category><guid>https://jaalonso.github.io/vestigium/posts/2026/08/31-readings_shared_08-31-26/</guid><pubDate>Mon, 31 Aug 2026 04:00:00 GMT</pubDate></item><item><title>Readings shared August 24, 2026</title><link>https://jaalonso.github.io/vestigium/posts/2026/08/24-readings_shared_08-24-26/</link><dc:creator>José A. Alonso</dc:creator><description>&lt;p&gt;The readings shared in &lt;a href="https://mathstodon.xyz/@Jose_A_Alonso"&gt;Mastodon&lt;/a&gt; on 24 August 2026 are:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://github.com/yuanchenyang/lean_low_rank_univariate_sos"&gt;A Lean formalization of the main theorem of the paper "Low-rank univariate sum of squares has no spurious local minima"&lt;/a&gt;. ~ Chenyang Yuan. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2608.13757v1"&gt;A barrier-free synchronization algorithm for multi-engine AI accelerators&lt;/a&gt;. ~ Chungha Sung, Nikil V. Shyamsunder, Hanliang Zhang, Daniel Kroening, Joonwon Choi. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/WillWhistler/Regts-Sevenster"&gt;A proof of the Regts–Sevenster conjecture, formalized&lt;/a&gt;. ~ William Whistler. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/catskillsresearch/cardb"&gt;Cardinality of topological bases of a finite set&lt;/a&gt;. ~ Lars Warren Ericson. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/elliotglazer/erdos501"&gt;Erdős problem #501 in Lean 4&lt;/a&gt;. ~ Elliot Glazer. #LeanProver #ITP #Math #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/rkirov/jordan_pick"&gt;A Lean 4 formalization of Pick's theorem, the polygonal Jordan curve theorem, the full Jordan curve theorem, and Radó's theorem&lt;/a&gt;. ~ Rado Kirov. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2607.08656"&gt;Cantor measures with odd base do not admit Fourier frames&lt;/a&gt;. ~ Jaume de Dios Pont, Lukas Liehr, Mitchell A. Taylor. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.20358"&gt;Formalizing extended complex numbers, Möbius transformations, and cross ratio in Lean 4&lt;/a&gt;. ~ Fubin Yan, Kenneth W. Shum. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://primegaps.axiommath.ai/"&gt;Lean formalization of bounded gaps between primes&lt;/a&gt;. ~ Evan Chen, Sidharth Hariharan, Kenny Lau, Bhavik Mehta, Ken Ono, Ashvin Swaminathan, Jesse Thorner, Yunzhou Xie. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/fubinyan/ComplexVariables"&gt;Lean formalization of complex analysis&lt;/a&gt;. ~ Fubin Yan et als. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/gexahedron/sabidussi-lean"&gt;Lean formalization of the Sabidussi compatibility conjecture&lt;/a&gt;. ~ Nikolay Ulyanov. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/aimmerwahr/lean-math-exercises"&gt;Math exercises in Lean&lt;/a&gt;. ~ Anna Immerwahr. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/xinjiegit/ben_27_formalization"&gt;NUSLean: Lean 4 formalization of "A near-quadratic lower bound for sets with no unique sums"&lt;/a&gt;. ~ Xinjie He. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.26052"&gt;On the existence problem of regular Gabor frames&lt;/a&gt;. ~ Jaume de Dios Pont, Lukas Liehr, Mitchell A. Taylor. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://palomar-registry.org/"&gt;Palomar: A public registry of Lean-verified mathematics&lt;/a&gt;. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://terrytao.wordpress.com/2026/08/18/palomar-a-registry-of-lean-verified-mathematics/"&gt;Palomar: a registry of Lean verified mathematics&lt;/a&gt;. ~Terence Tao. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/teorth/sendov"&gt;Sendov's conjecture in Lean&lt;/a&gt;. ~ Terence Tao. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2607.06693"&gt;Stable phase retrieval for spans of independent random variables&lt;/a&gt;. ~ Pedro Abdalla, Jaume de Dios Pont, João P. G. Ramos, Mitchell A. Taylor. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://ceur-ws.org/Vol-4239/paper-Farjami-14.pdf"&gt;Constrained input/output logic in HOL: An algebraic embedding&lt;/a&gt;. ~ Ali Farjami, Luca Pasetto. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2601.00811"&gt;A naive encoding of Russell's paradox in type theory&lt;/a&gt;. ~ Zhuoyuan Qu. #CoqProver #Agda #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2608.18445v1"&gt;Formal verification of Romanov's triplet logic: A verified filter for sliding-window 3-CNF with application to structured formulas&lt;/a&gt;. ~ Dmitry V. Alexandrov. #RocqProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://proofsandprompts.com/2026/08/19/changes-in-the-classroom-in-the-ai-era/"&gt;Changes in the classroom in the AI Era&lt;/a&gt;. ~ Benjamin Jaye, Galyna V. Livshyts. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://cacm.acm.org/blogcacm/llms-make-mathematics-easier-now-raise-the-bar/"&gt;LLMs make mathematics easier&lt;/a&gt;. Now raise the bar. ~ Marijn J. H. Heule. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://proofsandprompts.com/2026/08/20/response-to-the-ai-dissenter-viewpoint/"&gt;Response to "The AI dissenter viewpoint"&lt;/a&gt;. ~ Anatoly Vitold Stankyavichyus. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2608.09191"&gt;A proof of the imbalance conjecture&lt;/a&gt;. ~ James Alexander Schreib, Yousof Yavari. #AI4Math #LeanProver&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.math.ias.edu/~akshay/research/ReimaginingDetails.pdf"&gt;Human mathematics in the age of reasoning machines&lt;/a&gt;. ~ Akshay Venkatesh. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://proofsandprompts.com/2026/08/18/on-protecting-mathematics-from-llm-companies-monopoly/"&gt;On protecting mathematics from LLM companies’ monopoly&lt;/a&gt;. ~ Tian Lan. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://youtu.be/ZKF6dWzOiPA"&gt;The shape of math to come&lt;/a&gt;. ~ Alex Kontorovich. #AI4Math #LeanProver&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.cs.ox.ac.uk/people/samuel.staton/papers/icfp2026-imp.pdf"&gt;Imprecise probabilistic programming, precisely (Credal sets via graded monads, BDDs, and semiring-parametric inference)&lt;/a&gt;. ~ Jack Liell-Cock, Sam Staton. #Haskell #FunctionalProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://youtu.be/wtMmw0HlXTg"&gt;ediprolog: Emacs does interactive Prolog&lt;/a&gt;. ~ Markus Triska. #Prolog #LogicProgramming #Emacs&lt;/li&gt;
&lt;li&gt;&lt;a href="https://youtu.be/xHEnWvKmSKM"&gt;stdin | LLM | stdout&lt;/a&gt;. ~ karthink. #Emacs #LLMs&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.bardman.dev/technology/switching-to-emacs/"&gt;My advice for users wanting to switch to Emacs&lt;/a&gt;. ~ Daniel Pinkston. #Emacs&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/calculemus/posts/2026/05/17-no_convergencia_-1n/"&gt;#Calculemus: Demostraciones con Lean 4 del Reto 2 (La sucesión 1, -1, 1, -1,&lt;/a&gt;… no es convergente). #LeanProver #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/calculemus/posts/2026/05/24-si_a_converge_a_l_entonces_2a_converge_a_2l/"&gt;#Calculemus: Demostraciones con Lean 4 del Reto 3 (Si aₙ converge a L, entonces 2aₙ converge a 2L)&lt;/a&gt;. #LeanProver #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://t.me/Retos_Matematicos/109557/143055"&gt;#RetoLean4: Enunciado del reto 15 ((∃ k ∈ ℕ)(∀ n ∈ N)[(n + k)² ≤ 2ⁿ⁺ᵏ])&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://live.lean-lang.org/#url=https://github.com/jaalonso/Retos/blob/main/src/Reto_14.lean"&gt;#RetoLean4: Soluciones del reto (para todo n ∈ ℕ, 2n + 9 ≤ 2ⁿ⁺⁴)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://youtu.be/ZWtaXZSXLko"&gt;#Retolean4: Vídeo tutorial sobre cómo resolver el reto 14&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;/ul&gt;</description><category>Agda</category><category>AI4Math</category><category>CoqProver</category><category>Emacs</category><category>FunctionalProgramming</category><category>Haskell</category><category>IsabelleHOL</category><category>ITP</category><category>LeanProver</category><category>LLMs</category><category>LogicProgramming</category><category>Math</category><category>Prolog</category><category>RocqProver</category><guid>https://jaalonso.github.io/vestigium/posts/2026/08/24-readings_shared_08-24-26/</guid><pubDate>Mon, 24 Aug 2026 04:00:00 GMT</pubDate></item><item><title>Readings shared July 27, 2026</title><link>https://jaalonso.github.io/vestigium/posts/2026/07/27-readings_shared_07-27-26/</link><dc:creator>José A. Alonso</dc:creator><description>&lt;p&gt;The readings shared in &lt;a href="https://mathstodon.xyz/@Jose_A_Alonso"&gt;Mastodon&lt;/a&gt; on 27 July 2026 are:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://drops.dagstuhl.de/storage/00lipics/lipics-vol382-itp2026/LIPIcs.ITP.2026.35/LIPIcs.ITP.2026.35.pdf"&gt;A Lean tactic for normalizing expressions in an algebra over a ring&lt;/a&gt;. ~ Arend Mellendijk. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://drops.dagstuhl.de/storage/00lipics/lipics-vol382-itp2026/LIPIcs.ITP.2026.26/LIPIcs.ITP.2026.26.pdf"&gt;An end-to-end verification of Keller’s conjecture&lt;/a&gt;. ~ James Gallicchio, Cayden Codel, Jeremy Avigad, Marijn J. H. Heule. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2607.20816v1"&gt;Cofinite zeros of high derivatives&lt;/a&gt;. ~ Eric Hou. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://drops.dagstuhl.de/storage/00lipics/lipics-vol382-itp2026/LIPIcs.ITP.2026.19/LIPIcs.ITP.2026.19.pdf"&gt;Formalizing the Bruck–Ryser–Chowla theorem: Combinatorial design theory in Lean&lt;/a&gt;. ~ Eric Jonathan Wang, Elif Uskuplu. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://icms-conference.org/2026/papers/paper10/main.pdf"&gt;Formalizing the Wu-Ritt characteristic set method in Lean 4&lt;/a&gt;. ~ Yuxuan Xiao, Hao Shen, Junyu Guo, Dingkang Wang, Lihong Zhi. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2607.20186"&gt;From Dag-Like proofs to boolean circuits in Lean&lt;/a&gt;. ~ Lorenzo Saraiva, Edward Hermann Haeusler. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://link.springer.com/content/pdf/10.1007/978-3-032-32589-1_7.pdf"&gt;grind: An SMT-inspired tactic for Lean 4&lt;/a&gt;. ~ Kim Morrison, Leonardo de Moura. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Jacobian_Counterexample.html"&gt;Formal verification of an explicit counterexample to the jacobian conjecture&lt;/a&gt;. ~ Arthur Freitas Ramos, David Barros Hulak, Ruy Jose Guerra Barretto de Queiroz. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://eprint.iacr.org/2026/1490.pdf"&gt;On the formal verification of polynomial commitments: two KZG constructions and the algebraic group model&lt;/a&gt;. ~ Tobias Rothmann. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.cs.ru.nl/bachelors-theses/2026/Sophie_Krijgsman___1072493___Formalising_Standard_Deontic_Logic_and_Dyadic_Deontic_Logic_in_Rocq.pdf"&gt;Formalising standard deontic logic and dyadic deontic logic in Rocq&lt;/a&gt;. ~ Sophie Krijgsman. #RocqProver #ITP #Logic&lt;/li&gt;
&lt;li&gt;&lt;a href="https://people.cs.nott.ac.uk/pszgmh/pickard-thesis.pdf"&gt;Dependent types for compiler calculation&lt;/a&gt;. ~ Mitchell Pickard. #Agda #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2607.17292v1"&gt;Topology in synthetic domain theory and its formalisation in Agda&lt;/a&gt;. ~ Runze Xue. #Agda #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://qiqt.org/QIQT_AI_Methodology.pdf"&gt;An audited human-AI loop for trustworthy Lean formalization: axiom-budget auditing, a goal-directed state report, and a conditional general-relativity case study&lt;/a&gt;. ~ Paweł Kapłański. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2607.21187v1"&gt;Case study: proving sqrt(2) irrational with LPTP and an LLM&lt;/a&gt;. ~ Fred Mesnard, Étienne Payet, Wim Vanhoof. #AI4Math #LPTP #Prolog&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2607.21196v1"&gt;Case study: solving P-99 with LPTP and an LLM&lt;/a&gt;. ~ Fred Mesnard, Thierry Marianne, Étienne Payet, Wim Vanhoof. #AI4Math #LPTP #Prolog&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.gaussianos.com/encontrado-un-contraejemplo-de-la-conjetura-jacobiana-con-claude-fable-5/"&gt;Encontrado un contraejemplo de la conjetura jacobiana con Claude Fable 5&lt;/a&gt;. ~ Miguel Ángel Morales. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://xenaproject.wordpress.com/2026/07/20/human-mathematicians-are-being-outcounterexampled/"&gt;Human mathematicians are being outcounterexampled&lt;/a&gt;. ~ Kevin Buzzard. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://teorth.github.io/tao-web/ai-views-interview.html"&gt;Interview: Terence Tao on AI&lt;/a&gt;. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2607.20503v1"&gt;LeanFlow: A case study in workflow-driven Lean autoformalization&lt;/a&gt;. ~ Lazar Milikic, Simon Guilloud, Khanh Nguyen, Viktor Kuncak. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2607.17388v1"&gt;Mathematical discovery in the wild: AI-guided proofs in Banach space theory&lt;/a&gt;. ~ Antonio Acuaviva, Pablo Acuaviva. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://teorth.github.io/tao-web/slides/age-of-ai-icm-2026.pdf"&gt;Mathematics in the age of AI&lt;/a&gt;. ~ Terence Tao. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2607.17477"&gt;On some problems from the Kourovka notebook&lt;/a&gt;. ~ Wouter van Doorn, Elias Judin, Pietro Monticone, Daniel Morrison. #AI4Math #LeanProver #ITP #Aristotle&lt;/li&gt;
&lt;li&gt;&lt;a href="https://mathoverflow.net/questions/513540/should-we-trust-ai-generated-formal-proofs-in-lean-4"&gt;Should we trust AI-generated formal proofs in Lean 4? ~ MathOverflow&lt;/a&gt;. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/TauCetiProject/TauCeti"&gt;Tau Ceti: a repository of formal mathematics, directed by human-written roadmaps, implemented and maintained by AI contributors, subject to adversarial review&lt;/a&gt;. ~ Kim Morrison et als. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://teorth.github.io/tao-web/ai-views.html"&gt;Terence Tao on AI in mathematics (and beyond)&lt;/a&gt;. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://web.mathi.uni-heidelberg.de/media/How_To_Read_Math_88bf1d2d47.pdf"&gt;How to read mathematics? (A study guide)&lt;/a&gt;. ~ Petra Schwer. #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://images.nvidia.com/pdf/Open-Weights-and-American-AI-Leadership.pdf"&gt;Open weights and american AI leadership&lt;/a&gt;. #AI&lt;/li&gt;
&lt;/ul&gt;</description><category>Agda</category><category>AI</category><category>AI4Math</category><category>Aristotle</category><category>IsabelleHOL</category><category>ITP</category><category>LeanProver</category><category>Logic</category><category>Math</category><category>Prolog</category><category>RocqProver</category><guid>https://jaalonso.github.io/vestigium/posts/2026/07/27-readings_shared_07-27-26/</guid><pubDate>Mon, 27 Jul 2026 04:00:00 GMT</pubDate></item><item><title>Readings shared July 5, 2026</title><link>https://jaalonso.github.io/vestigium/posts/2026/07/06-readings_shared_07-06-26/</link><dc:creator>José A. Alonso</dc:creator><description>&lt;p&gt;The readings shared in &lt;a href="https://bsky.app/profile/jalonso.bsky.social"&gt;Bluesky&lt;/a&gt; on 5 July 2026 are:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://www.preprints.org/manuscript/202607.0075"&gt;An explicit eventual p⁴-divisibility theorem for an Apery-type numerator family&lt;/a&gt;. ~ Zhipeng Chen, Qisheng Wang, Yan Feng. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://openreview.net/pdf?id=adCv2IV5V3"&gt;Axiom-audited trustworthy formalization of game-theoretic commitment in Lean&lt;/a&gt;. ~ Jan Ondras. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.26141v1"&gt;Classifying the groups of order p³ in Lean&lt;/a&gt;. ~ Li Xiang. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://florisvandoorn.com/theses/WenrongZou.pdf"&gt;Formalization of formal group laws&lt;/a&gt;. ~ Wenrong Zou. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2607.01544v1"&gt;Formalized q-series: The Rogers-Ramanujan identities and beyond&lt;/a&gt;. ~ Kenny Lau, Seewoo Lee, Ken Ono. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://openreview.net/pdf?id=I8t5C1vYMR"&gt;Formalizing Scarf, Brouwer, and Nash in Lean&lt;/a&gt;. ~ Yuwei Lyu, Kai Li. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://openreview.net/pdf?id=EsEqPLc0ef"&gt;From agents to axioms: Verifier-gated Lean formalization for statistical learning theory&lt;/a&gt;. ~ Robert Sneiderman. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.diva-portal.org/smash/get/diva2:2080968/FULLTEXT01.pdf"&gt;Mechanizing proofs from a course on programming language semantics in Lean&lt;/a&gt;. ~ Hampus Toft. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://openreview.net/pdf?id=jhbkIZOn5a"&gt;Reformalization of the Jordan curve theorem&lt;/a&gt;. ~ Simon Guilloud, Sankalp Gambhir, Samuel Chassot. #Mizar #LeanProver #HOL_Light #Agda #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.28990v1"&gt;The fundamental theorem of Asset Pricing, formalized in Lean 4&lt;/a&gt;. ~ Raphael Coelho. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Tabulation_Hashing.html"&gt;Formalization of 3-independence of simple tabulation hashing (in Isabelle/HOL)&lt;/a&gt;. ~ Wei De Leong, Yong Kiam Tan, Seng Joe Watt. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Lower_Bound_Certificates_Planning.html"&gt;Formalization of lower-bound certificates for optimal classical planning&lt;/a&gt;. ~ Dmitriy Traytel. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Submodular_Greedy.html"&gt;Greedy algorithms for cardinality-constrained submodular maximization&lt;/a&gt;. ~ Feier Lyu. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://era.ed.ac.uk/server/api/core/bitstreams/0abbb6de-2234-4219-91f5-6eb9853f9263/content"&gt;On the formalisation of Haag-Kastler nets in higher-order logic&lt;/a&gt;. ~ Richard H. J. Schmoetten. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://lfmtp.github.io/lfmtp-page/workshops/2026/papers/lfmtp26_paper9.pdf"&gt;Anti-unification completeness analysis in PVS&lt;/a&gt;. ~ Mauricio Ayala-Rincón et als. #PVS #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2510.08452"&gt;Formalization of the zigzag construction of path spaces of pushouts in homotopy type theory&lt;/a&gt;. ~ Vojtěch Štěpančík. #Agda #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.26809v1"&gt;The educational proof assistant Waterproof in an introductory proof course: Proof construction and learning processes&lt;/a&gt;. ~ Pim Otte, Rogier Bos, Johan Commelin, Jim Portegies. #Waterproof #ITP #Teaching #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2605.21221v2"&gt;Binomial coefficients with divisors avoiding an interval&lt;/a&gt;. ~ Hung M. Bui, Slava Naprienko, Kyle Pratt, Alexandru Zaharescu. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://openreview.net/pdf?id=t9iBTo1zBG"&gt;Lean2Isabelle: Factorized cross-assistant proof translation&lt;/a&gt;. ~ Guanyu Liu, Jingkun Ma, Derek F. Wong. #AI4Math #LeanProver #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.researchgate.net/profile/Pawel-Przybylowicz-2/publication/408133759_Local_Reasoning_Models_for_Mathematics_-From_installation_through_concepts_to_workflows_with_Ollama/links/6a3ec9a668552924bb0257e5/Local-Reasoning-Models-for-Mathematics-From-installation-through-concepts-to-workflows-with-Ollama.pdf"&gt;Local reasoning models for mathematics (From installation, through concepts, to workflows with Ollama)&lt;/a&gt;. ~ Paweł Przybyłowicz. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://gilkalai.wordpress.com/2026/07/02/the-ramanujan-challenge-for-ai/"&gt;The Ramanujan challenge for AI&lt;/a&gt;. ~ Gil Kalai. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://rkirov.github.io/posts/jacobian/"&gt;The jacobian challenge retro&lt;/a&gt;. ~ Rado Kirov. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://exploring-better-ways.bellroy.com/haskell-koan-type-checked-non-empty-strings.html"&gt;Haskell koan: Type-checked non-empty strings&lt;/a&gt;. ~ Mike Ledger. #Haskell #FunctionalProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://youtu.be/W5NYmUmjS3w"&gt;#RetoLean4: Construcción en Lean 4 de las soluciones del reto 7 (La composición de inyectivas es inyectiva)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;/ul&gt;</description><category>Agda</category><category>AI4Math</category><category>FunctionalProgramming</category><category>Haskell</category><category>HOL_Light</category><category>IsabelleHOL</category><category>ITP</category><category>LeanProver</category><category>Math</category><category>Mizar</category><category>PVS</category><guid>https://jaalonso.github.io/vestigium/posts/2026/07/06-readings_shared_07-06-26/</guid><pubDate>Mon, 06 Jul 2026 04:00:00 GMT</pubDate></item><item><title>Readings shared June 28, 2026</title><link>https://jaalonso.github.io/vestigium/posts/2026/06/29-readings_shared_06-29-26/</link><dc:creator>José A. Alonso</dc:creator><description>&lt;p&gt;The readings shared in &lt;a href="https://bsky.app/profile/jalonso.bsky.social"&gt;Bluesky&lt;/a&gt; on 28 June 2026 are:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://live.lean-lang.org/#url=https://github.com/jaalonso/Retos/blob/main/src/Reto_7.lean"&gt;#RetoLean4: Soluciones del reto 7 (Demostrar que la composición de funciones inyectivas es inyectiva)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://t.me/Retos_Matematicos/109557/141015"&gt;#RetoLean4: Propuesta del reto 8 (Demostrar, con Lean 4, que una sucesión que posee infinitos términos con valor absoluto superior a 10 no puede converger a un límite cuyo valor absoluto sea menor que 5)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/vestigium/posts/2026/06/28-what-it-means-to-be-a-mathematician-when-ai-does-the-math/"&gt;Reseña de «What it means to be a mathematician when AI does the math?»&lt;/a&gt;. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://projectdiderot.com/papers/3bcc794d-824c-40ee-9cd7-e84d5d86cd63"&gt;A weighted Turán sieve for twin primes via the Krafft geometry&lt;/a&gt;. ~ Fernando Portela. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.26442v1"&gt;AXLE: A cloud infrastructure for Lean 4 theorem proving utilities&lt;/a&gt;. ~ Jimmy Xin, Alex Schneidman, Chris Cummins, Karun Ram, Srihari Ganesh, Jannis Limperg. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.25412"&gt;Formalization of line search methods by Lean&lt;/a&gt;. ~ Yiyang Zhang, Kenneth W. Shum. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.27041"&gt;Formalizing a many-sorted hybrid polyadic modal logic in Lean&lt;/a&gt;. ~ Andrei-Alexandru Oltean, Bogdan Macovei, Ioana Leuştean. #LeanProver #ITP #Logic&lt;/li&gt;
&lt;li&gt;&lt;a href="https://pure.tue.nl/ws/portalfiles/portal/390531427/Arendsen_L.pdf"&gt;Formalization of template formulas in the modal μ-calculus in Isabelle/HOL&lt;/a&gt;. ~ Lise Arendsen. #IsabelleHOL #ITP #Logic&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Perrons_Formula.html"&gt;Perron's formula (in Isabelle/HOL)&lt;/a&gt;. ~ Manuel Eberl. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://lawrencecpaulson.github.io/2026/06/26/Dottie_Number.html"&gt;The Dottie number&lt;/a&gt;. ~ Lawrence Paulson. #IsabelleHOL #ITP #Math #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://byorgey.github.io/blog/posts/2026/06/26/FTA.lagda.html"&gt;Proving the fundamental theorem of arithmetic in Agda&lt;/a&gt;. ~ Brent Yorgey. #Agda #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://spectrum.ieee.org/ai-in-mathematics"&gt;AI in mathematics is forcing big questions (What it means to be a mathematician when AI does the math?)&lt;/a&gt;. ~ Benjamin Skuse. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2509.14274"&gt;Discovering new theorems via LLMs with in-context proof learning in Lean&lt;/a&gt;. ~ Kazumi Kasaura, Naoto Onda, Yuta Oriike, Masaya Taniguchi, Akiyoshi Sannai, Sho Sonoda. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://cacm.acm.org/blogcacm/the-leiden-declaration-mathematics-ai-and-making-our-values-explicit/"&gt;The Leiden Declaration: Mathematics, AI, and making our values explicit&lt;/a&gt;. ~ Mateja Jamnik. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://haskellforall.com/2026/06/record-type-inference-for-dummies"&gt;Record type inference for dummies&lt;/a&gt;. ~ Gabriella Gonzalez. #Haskell #FunctionalProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://entropicthoughts.com/sicp-2-4-tagged-data-in-haskell"&gt;Tagged data in Haskell (SICP 2&lt;/a&gt;.4.2). ~ kqr. #Haskell #FunctionalProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://sabela.datahaskell.com/c/1ea40000"&gt;Learn you a Haskell for great good! (Miran Lipovaca's classic introduction to Haskell, ported to runnable Sabela notebooks)&lt;/a&gt;. #Haskell #FunctionalProgramming&lt;/li&gt;
&lt;/ul&gt;</description><category>Agda</category><category>AI4Math</category><category>FunctionalProgramming</category><category>Haskell</category><category>IsabelleHOL</category><category>ITP</category><category>LeanProver</category><category>Logic</category><category>Math</category><guid>https://jaalonso.github.io/vestigium/posts/2026/06/29-readings_shared_06-29-26/</guid><pubDate>Mon, 29 Jun 2026 04:00:00 GMT</pubDate></item><item><title>Readings shared June 21, 2026</title><link>https://jaalonso.github.io/vestigium/posts/2026/06/22-readings_shared_06-22-26/</link><dc:creator>José A. Alonso</dc:creator><description>&lt;p&gt;The readings shared in &lt;a href="https://bsky.app/profile/jalonso.bsky.social"&gt;Bluesky&lt;/a&gt; on 21 June 2026 are:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.15520v1"&gt;A Lean 4 formalization of euclidean domain algorithms from a 1986 icon experimentation package&lt;/a&gt;. ~ Lars Warren Ericson. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.16688v1"&gt;A Lean-certified proof of K₈(4, 2) = 23&lt;/a&gt;. ~ Andreas Florath. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.16144v1"&gt;EconCSLib: A Lean library for computational economics and AI-Assisted research&lt;/a&gt;. ~ Xiaohui Bei, Jiajun Ma, Zhan Jing, Hongfei Fu, Zhihao Gavin Tang. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.19761"&gt;Finishing Oltean's completeness proof in Lean 4 for hybrid logic L(∀)&lt;/a&gt;. ~ Lars Warren Ericson. #LeanProver #ITP #Logic&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.16679v1"&gt;Formalizing chip-firing and Riemann-Roch for graphs in Lean 4&lt;/a&gt;. ~ Dhyey Dharmendrakumar Mavani, Nathan Pflueger. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.20358"&gt;Formalizing extended complex numbers, Mobius transformations, and cross ratio in Lean 4&lt;/a&gt;. ~ Fubin Yan, Kenneth W. Shum. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.19936"&gt;Prismriver: Formalization of music theory and algorithmic composition in Lean 4&lt;/a&gt;. ~ Leni Aniva, Claire Wang. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.14000v1"&gt;Formalizing numerical analysis: an agent pipeline and quality audit beyond kernel acceptance&lt;/a&gt;. ~ Theodore Meek, Siyuan Ge, Di Qiu Xiang, Simon Chess, Vasily Ilin. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/CNF_DNF_Exp_Blowup.html"&gt;A formalization of the exponential blowup in the transformations between CNF and DNF (in Isabelle/HOL)&lt;/a&gt;. ~ Leon Raffael Schulz, Martin Desharnais-Schäfer, Jan Johannsen. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Countable_Multiset.html"&gt;Formalization of countable multisets (in Isabelle/HOL)&lt;/a&gt;. ~ Mathias Schack Rabing, Dmitriy Traytel. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Weighted_Set.html"&gt;Formalization of weighted sets (in Isabelle/HOL)&lt;/a&gt;. ~ Mathias Schack Rabing, Dmitriy Traytel. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.researchgate.net/profile/Daniel-Busing/publication/406962966_LLMemma_An_LLM-Guided_Isabelle_Proof_Synthesis_System/links/6a2b502d8ab2ac2a709716b1/LLMemma-An-LLM-Guided-Isabelle-Proof-Synthesis-System.pdf"&gt;LLMemma: An LLM-guided Isabelle proof synthesis system&lt;/a&gt;. ~ Daniel Busing, Hyunkyung Lee, Isaac Mangano, Timothy Stanbrough, Tommy Tran. #IsabelleHOL #ITP #LLMs&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Dottie_Number.html"&gt;The Dottie number (in Isabelle/HOL)&lt;/a&gt;. ~ Lawrence C. Paulson. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Detour_Calculus.html"&gt;The detour calculus: Rigorous local deformation of integration contours&lt;/a&gt;. ~ Manuel Eberl. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.20351"&gt;A cubical formalisation of conditional independence, Bayesian conditioning, and Pearl's d-separation soundness&lt;/a&gt;. ~ Karen Sargsyan. #Agda #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://recurial.com/gpce26main-p2.pdf"&gt;Programmable record types in Haskell&lt;/a&gt;. ~ Arthur Jamet, Michael Vollmer. #Haskell #FunctionalProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.tweag.io/blog/2026-06-18-sheaves-in-haskell/"&gt;Sheaves in Haskell&lt;/a&gt;. ~ Arnaud Spiwack. #Haskell #FunctionalProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.tweag.io/blog/2026-06-11-diff-package-static-checks/"&gt;Writing static checks to an unsuspecting library with Liquid Haskell&lt;/a&gt;. ~ Xavier Góngora. #Haskell #FunctionalProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.johndcook.com/blog/2026/06/15/writing-prolog-with-chatgpt/"&gt;Writing Prolog with ChatGPT&lt;/a&gt;. ~ John D. Cook. #Prolog #LogicProgramming #ChatGPT+ &lt;a href="https://t.me/Retos_Matematicos/109557/140646"&gt;#RetoLean4: Propuesta del reto 6 (Demostrar el teorema del emparedado: Si aₙ y cₙ convergen a L y aₙ ≤ bₙ ≤ cₙ para todo n, entonces bₙ converge a L)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://t.me/Retos_Matematicos/109557/140783"&gt;#RetoLean4: Propuesta del reto 7 (Demostrar que la composición de funciones inyectivas es inyectiva)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://live.lean-lang.org/#url=https://github.com/jaalonso/Retos/blob/main/src/Reto_5.lean"&gt;#RetoLean4: Soluciones del reto 5 (Demostrar que 5²ⁿ - 2³ⁿ es divisible por 17)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://live.lean-lang.org/#url=https://github.com/jaalonso/Retos/blob/main/src/Reto_6.lean"&gt;#RetoLean4: Soluciones del reto 6 (Demostrar el teorema del emparedado: Si aₙ y cₙ convergen a L y aₙ ≤ bₙ ≤ cₙ para todo n, entonces bₙ converge a L)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;/ul&gt;</description><category>Agda</category><category>AI4Math</category><category>ChatGPT</category><category>FunctionalProgramming</category><category>Haskell</category><category>IsabelleHOL</category><category>ITP</category><category>LeanProver</category><category>LLMs</category><category>Logic</category><category>LogicProgramming</category><category>Math</category><category>Prolog</category><guid>https://jaalonso.github.io/vestigium/posts/2026/06/22-readings_shared_06-22-26/</guid><pubDate>Mon, 22 Jun 2026 04:00:00 GMT</pubDate></item><item><title>Readings shared June 14, 2026</title><link>https://jaalonso.github.io/vestigium/posts/2026/06/15-readings_shared_06-15-26/</link><dc:creator>José A. Alonso</dc:creator><description>&lt;p&gt;The readings shared in &lt;a href="https://bsky.app/profile/jalonso.bsky.social"&gt;Bluesky&lt;/a&gt; on 14 June 2026 are:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.01356v1"&gt;A formally verified library of mathematical finance in Lean 4&lt;/a&gt;. ~ Raphael Coelho. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.08902v1"&gt;A kernel-clean lean mechanization of Classical Lottery in Action and the Wakker-Debreu-Koopmans representation layer&lt;/a&gt;. ~ Jingyuan Li, Ilia Tsetlin, Fan Wang. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.05629v1"&gt;An automated proof that R(B₈, B₁₀) = 37&lt;/a&gt;. ~ Jeremy Kalfus, Bernard Lidický. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://icerm.brown.edu/video_archive/4645"&gt;Complex analysis in PNT+ and real analysis as a game&lt;/a&gt;. ~ Alex Kontorovich. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.09600"&gt;Formal foundations and proof-carrying certificates for q-ary covering codes in Lean 4&lt;/a&gt;. ~ Andreas Florath. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2510.24060"&gt;Formalizing Schwartz functions and tempered distributions&lt;/a&gt;. ~ Moritz Doll. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.01438v1"&gt;Formalizing multi-graded Brenner-Schröer Proj schemes and dilatations of rings in Lean4&lt;/a&gt;. ~ Arnaud Mayeux, Jujian Zhang. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://hott-uf.github.io/2026/abstracts/HoTTUF_2026_paper_4.pdf"&gt;HoTTLean: Formalizing the groupoid model of MLTT&lt;/a&gt;. ~ Steve Awodey, Mario Carneiro, Sina Hazratpour, Joseph Hua, Wojciech Nawrocki, Spencer Woolfson, Yiming Xu. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2501.15639v1"&gt;The continuous functional calculus in Lean&lt;/a&gt;. ~ Anatole Dedecker, Jireh Loreaux. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Gabbay_Labelled_Natural_Deduction.html"&gt;A reusable Isabelle/HOL framework for propositional labelled natural deduction&lt;/a&gt;. ~ Arthur Freitas Ramos 📧, David Barros Hulak, Ruy Jose Guerra Barretto de Queiroz. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.amazon.science/blog/ec2s-formally-verified-isolation-engine-provides-mathematical-assurance-of-virtual-machine-isolation"&gt;EC2’s formally verified “isolation engine” provides mathematical assurance of virtual-machine isolation&lt;/a&gt;. ~ Dominic Mulligan, Nathan Chong. #IsabelleHOL #ITP.&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Euler_Exponential.html"&gt;Euler's exponential series as an infinite polynomial (in Isabelle/HOL)&lt;/a&gt;. ~ Jacques D. Fleuriot. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Fair_Games_Theorem.html"&gt;Fair games theorem (in Isabelle/HOL)&lt;/a&gt;. ~ Lawrence C. Paulson. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Feuerbach.html"&gt;Feuerbach's theorem (in Isabelle/HOL)&lt;/a&gt;. ~ Lawrence C. Paulson. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/1202.4831v1"&gt;Formalization and implementation of algebraic methods in geometry&lt;/a&gt;. ~ Filip Marić, Ivan Petrović, Danijela Petrović, Predrag Janičić. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/1202.4835v1"&gt;Isabelle/PIDE as platform for educational tools&lt;/a&gt;. ~ Makarius Wenzel, Burkhart Wolff. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Mechanized_Metasemantics.html"&gt;Mechanized metasemantics of modal necessity: Valuation factorization and modal non-collapse&lt;/a&gt;. ~ Yong-Dock Kim. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Cauchy_Davenport_Vosper.html"&gt;Vosper's theorem and the Cauchy–Davenport theorem via the polynomial method&lt;/a&gt;. ~ Arthur Freitas Ramos , David Barros Hulak, Ruy Jose Guerra Barretto de Queiroz. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.05953v1"&gt;A proof in Coq that core logic is not paraconsistent&lt;/a&gt;. ~ Joseph Vidal-Rosset. #CoqProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.04704v1"&gt;Extraction and search in Rocq: Theorems, definitions and their dependencies&lt;/a&gt;. ~ Jian Fang, Yingfei Xiong. #RocqProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.12462v1"&gt;Auto formalisation of Chaitin and of the surprise incompleteness theorem&lt;/a&gt;. ~ Thierry Coquand. #Agda #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.newscientist.com/article/2526650-a-golden-age-of-maths-is-dawning-and-mathematicians-are-freaking-out/"&gt;A golden age of maths is dawning and mathematicians are freaking out&lt;/a&gt;. ~ Alex Wilkins. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.05117v1"&gt;A problem of Andrews and Dhar on partitions&lt;/a&gt;. ~ Simon Mahns, Ken Ono, Jujian Zhang. #AI4Math #AxiomProver #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.scientificamerican.com/article/ai-gets-a-c-on-its-hardest-math-test-yet/"&gt;AI scores a ‘C–’ on its hardest math test yet&lt;/a&gt;. ~ Joseph Howlett. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.08728v1"&gt;Artificial intelligence for mathematical reasoning: an integrated survey of language models, neuro-symbolic systems, and verified discovery&lt;/a&gt;. ~ Syed Rifat Raiyan, Mohsinul Kabir, Hasan Mahmud, Md Kamrul Hasan. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://youtu.be/Dkqzqw8rxXI"&gt;DeepMind’s new AI found a strange new way to think&lt;/a&gt;. ~ Károly Zsolnai-Fehér. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.quantamagazine.org/how-terry-tao-became-an-evangelist-for-ai-in-math-20260608/"&gt;How Terry Tao became an evangelist for AI in math&lt;/a&gt;. ~ Kevin Hartnett. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.pourlascience.fr/sd/mathematiques/les-mathematiciens-se-positionnent-face-a-l-ia-29277.php"&gt;Les mathématiciens se positionnent face à l’IA&lt;/a&gt;. ~ François Lassagne. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.12594v1"&gt;Pythagoras-Prover: Advancing efficient formal proving via augmented Lean formalisation&lt;/a&gt;. ~ Joshua Ong Jun Leang, Zheng Zhao, Mihaela Cătălina Stoian, Qiyuan Xu, Haonan Li, Wenda Li, Shay B. Cohen, Eleonora Giunchiglia. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.johndcook.com/blog/2026/06/11/prolog-claude/"&gt;Solving a chess puzzle with Claude and Prolog&lt;/a&gt;. ~ John D. Cook. #Prolog #LogicProgramming #LLMs&lt;/li&gt;
&lt;li&gt;&lt;a href="https://eyereasoner.github.io/eyelang/"&gt;eyelang: a small rule engine for Prolog-style Horn clauses over ordinary terms, lists, arithmetic, strings, and finite search&lt;/a&gt;. ~ Jos De Roo. #LogicProgramming&lt;/li&gt;
&lt;/ul&gt;</description><category>Agda</category><category>AI4Math</category><category>AxiomProver</category><category>CoqProver</category><category>IsabelleHOL</category><category>ITP</category><category>LeanProver</category><category>LLMs</category><category>LogicProgramming</category><category>Math</category><category>Prolog</category><category>RocqProver</category><guid>https://jaalonso.github.io/vestigium/posts/2026/06/15-readings_shared_06-15-26/</guid><pubDate>Mon, 15 Jun 2026 04:00:00 GMT</pubDate></item><item><title>Readings shared June 5, 2026</title><link>https://jaalonso.github.io/vestigium/posts/2026/06/05-readings_shared_06-05-26/</link><dc:creator>José A. Alonso</dc:creator><description>&lt;p&gt;The readings shared in &lt;a href="https://bsky.app/profile/jalonso.bsky.social"&gt;Bluesky&lt;/a&gt; on 5 June 2026 are:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2604.09808"&gt;A formal proof of the Ramanujan-Nagell theorem in Lean 4&lt;/a&gt;. ~ Barinder S. Banwait. #LeanProver #ITP #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://recognitionphysics.org/Paperss/Machine_Verified_Physics_Paper_JAR_template-22.pdf"&gt;Certificate-based verification of derivation-graph structural properties in Lean 4/Mathlib&lt;/a&gt;. ~ Megan Simons, Jonathan Washburn. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.04311"&gt;Formal verification of the S-two AIR&lt;/a&gt;. ~ Jeremy Avigad, Anat Ganor, Lior Goldberg, David Levit, Ohad Nir, Yoav Seginer, Alon Titelman. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6336503%20Tamas%20Nagy."&gt;From Itô to Black-scholes: A machine-verified derivation in Lean 4&lt;/a&gt;. ~ #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2605.25556v2"&gt;Keep the proof state live: snapshotting for efficient tactic search in Lean 4&lt;/a&gt;. ~ Austin Shen, Yunong Shi. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/Vilin97/lean-pool"&gt;Lean Pool: a repo for preserving substantial sorry-free formalizations that are valuable but do not fit naturally into mathlib’s scope&lt;/a&gt;. ~ Vasily Ilin et als.  #LeanProver&lt;/li&gt;
&lt;li&gt;&lt;a href="https://seewoo5.github.io/assets/thesis.pdf"&gt;Positive quasimodular forms and linear programming bounds&lt;/a&gt;. ~ Seewoo Lee. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6837298"&gt;We can't agree to disagree, formally: Aumann's theorem and assumption accounting in Lean&lt;/a&gt;. ~ Ruize Chen, Ben Eltschig, Scott Duke Kominers, Ken Ono, Jujian Zhang. #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.04877"&gt;Abduction prover in Isabelle/HOL&lt;/a&gt;. ~ Yutaka Nagashima, Daniel Sebastian Goc. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2603.07771"&gt;Apply2Isar: Automatically converting Isabelle/HOL apply-style proofs to structured Isar&lt;/a&gt;. ~ Sage Binder, Hanna Lachnitt, Katherine Kosaian. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://github.com/Arthur742Ramos/isa-blueprint"&gt;IsabelleBlueprint: a new project-layer tool for Isabelle/HOL formalizations, inspired by Lean Blueprint but built specifically for Isabelle&lt;/a&gt;. ~ Arthur. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Busy_Beaver.html"&gt;The Busy Beaver function (in Isabelle/HOL)&lt;/a&gt;. ~ Arthur Freitas Ramos, David Barros Hulak, Ruy Jose Guerra Barretto de Queiroz. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://isa-afp.org/entries/Gelfand_Naimark_Segal.html"&gt;The Gelfand–Naimark–Segal construction (in Isabelle/HOL)&lt;/a&gt;. ~ Richard Schmoetten, Jacques D. Fleuriot. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2505.05362v1"&gt;Modelling and verifying neuronal archetypes in Coq&lt;/a&gt;. ~ Abdorrahim Bahrami, Rébecca Zucchini, Elisabetta De Maria, Amy Felty. #CoqProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.researchgate.net/profile/James-Squires-2/publication/405332039_A_Brief_GuideComment_to_Autoformalization_in_Mathematical_Physics/links/6a16ed7f6fa5b75e31598a83/A-Brief-Guide-Comment-to-Autoformalization-in-Mathematical-Physics.pdf"&gt;A brief guide to autoformalization in mathematical physics&lt;/a&gt;. ~ James Squires. #AI4Math #LeanProver #Autoformalization&lt;/li&gt;
&lt;li&gt;&lt;a href="https://gizmodo.com/a-new-declaration-warns-ai-could-threaten-the-foundations-of-mathematics-2000766375"&gt;A new declaration warns AI could threaten the foundations of mathematics&lt;/a&gt;. ~ Gayoung Lee. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.01898v1"&gt;Auto formalisation of Goedel's second incompleteness theorem in binary recursive arithmetic&lt;/a&gt;. ~ Thierry Coquand. #AI4Math #Agda #ITP #Logic #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://youtu.be/WMo-RmSJQpE"&gt;Frontiers of AI for mathematical research&lt;/a&gt;. ~ Carina Hong. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2604.15713"&gt;Just type it in Isabelle! AI agents drafting, mechanizing, and generalizing from human hints&lt;/a&gt;. ~ Kevin Kappelmann, Maximilian Schäffeler, Lukas Stevens, Mohammad Abdulaziz, Andrei Popescu, Dmitriy Traytel. #AI4Math #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.02588"&gt;Lean-GAP: A dataset of formalized graduate algebra problems&lt;/a&gt;. ~ Seewoo Lee et als. #AI4Math #Autoformalization #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://leidendeclaration.ai/"&gt;Leiden declaration on artificial intelligence and mathematics&lt;/a&gt;. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.implicator.ai/mathematicians-issue-leiden-declaration-on-ai-proof-rules/"&gt;Mathematicians issue Leiden Declaration on AI proof rules&lt;/a&gt;. ~ Marcus Schuler. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://phys.org/news/2026-06-mathematicians-dont-hype-ai-capabilities.html"&gt;Mathematicians say 'don't believe hype' on AI capabilities&lt;/a&gt;. ~ Andrew Zinin. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arstechnica.com/tech-policy/2026/06/mathematicians-warn-of-ai-threats-to-profession-as-industry-encroaches/"&gt;Mathematicians warn of AI threats to profession as industry encroaches&lt;/a&gt;. ~ Jeremy Hsu. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.03743"&gt;Proof-Refactor: Refactoring generated formal proofs into modular artifacts&lt;/a&gt;. ~ Yiming Fu, Peixuan Liu, Zichen Wang, Kun Yuan. #AI4Math #LeanProver #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://logicalintelligence.com/blog/automatic-formal-verification-for-code-generation"&gt;Automatic formal verification for code generation&lt;/a&gt;. ~ Patrick Hillmann, Boris Hanin. #FormalVerification&lt;/li&gt;
&lt;li&gt;&lt;a href="https://nauths.fr/en/2026/05/28/practical-use-of-monads.html"&gt;Practical uses of monads in Haskell&lt;/a&gt;. ~ Antoine Leblanc. #Haskell #FunctionalProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2606.02367v1"&gt;A computational toolkit for engagement and scalable assessment in a large Logic course&lt;/a&gt;. ~ Stephen M. Watt. #Logic #RacketLang&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/calculemus/posts/2026/06/03-cota_inferior_de_sucesiones_convergentes/"&gt;#Calculemus: Demostraciones con Lean 4 de "Si a converge a L, entonces (∃ N)(∀ n ≥ N)[aₙ ≥ L - 1]"&lt;/a&gt;. #LeanProver #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jaalonso.github.io/calculemus/posts/2026/06/01-suma_de_sucesiones_convergentes"&gt;#Calculemus: Demostraciones con Lean 4 de "Si aₙ converge a L y bₙ a M, entonces aₙ+bₙ converge a L+M"&lt;/a&gt;. #LeanProver #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://t.me/Retos_Matematicos/109557/140141"&gt;#RetoLean4: Demostrar con Lean 4 que existen infinitos números primos&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://live.lean-lang.org/#url=https://github.com/jaalonso/Retos/blob/main/src/Reto_3.lean"&gt;#RetoLean4: Soluciones del reto 3 (Si aₙ converge a L, entonces 2aₙ converge a 2L)&lt;/a&gt;. #LeanProver #ITP #Math&lt;/li&gt;
&lt;/ul&gt;</description><category>Agda</category><category>AI4Math</category><category>Autoformalization</category><category>CoqProver</category><category>FunctionalProgramming</category><category>Haskell</category><category>IsabelleHOL</category><category>ITP</category><category>LeanProver</category><category>Logic</category><category>Math</category><category>RacketLang</category><guid>https://jaalonso.github.io/vestigium/posts/2026/06/05-readings_shared_06-05-26/</guid><pubDate>Fri, 05 Jun 2026 04:00:00 GMT</pubDate></item><item><title>Readings shared May 4, 2026</title><link>https://jaalonso.github.io/vestigium/posts/2026/05/05-readings_shared_05-25-26/</link><dc:creator>José A. Alonso</dc:creator><description>&lt;p&gt;The readings shared in &lt;a href="https://bsky.app/profile/jalonso.bsky.social"&gt;Bluesky&lt;/a&gt; on 4 May 2026 are:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://dwrensha.github.io/compfiles/imo.html"&gt;Compfiles: Catalog of math problems formalized in Lean&lt;/a&gt;. ~ David Renshaw et als. #LeanProver #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://scholarworks.uark.edu/cgi/viewcontent.cgi?article=1010&amp;amp;context=mascuht"&gt;Primitive pythagorean triples in lean and reduction modulo odd prime powers&lt;/a&gt;. ~ Luke Biddle. #LeanProver #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://francis.naukas.com/2026/05/01/sobre-la-demostracion-del-problema-1196-de-erdos-por-gpt-5-4-pro/"&gt;Sobre la demostración del Problema #1196 de Erdős por GPT-5&lt;/a&gt;.4 Pro. ~ Francisco R. Villatoro. #LeanProver #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.isa-afp.org/entries/Nagata-Factoriality.html"&gt;Nagata factoriality (in Isabelle/HOL)&lt;/a&gt;. ~ Arthur Freitas Ramos, David Barros Hulak, Ruy Jose Guerra Barretto de Queiroz. #IsabelleHOL #ITP #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.isa-afp.org/entries/Iteration_Algebra.html"&gt;The algebra of iterative constructions (in Isabelle/HOL)&lt;/a&gt;. ~ Kevin Batz, Benjamin Lucien Kaminski, Lucas Kehrer, Gerwin Klein, Henning Urbat, Todd Schmid. #IsabelleHOL #ITP&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2405.03264v1"&gt;Delooping generated groups in homotopy type theory&lt;/a&gt;. ~ Camil Champin, Samuel Mimram, Emile Oleon. #Agda #ITP #HoTT&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2604.27863v1"&gt;A monadic implementation of functional logic programs&lt;/a&gt;. ~ Michael Hanus, Kai-Oliver Prott, Finn Teegen. #Haskell #FunctionalProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2604.25879v1"&gt;Arboretum.hs: Symbolic manipulation for algebras of graphs&lt;/a&gt;. ~ Eugen Bronasco, Jean-Luc Falcone, Gilles Vilmart. #Haskell #FunctionalProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://jointhefreeworld.org/blog/articles/lisps/why-i-still-reach-for-scheme-instead-of-haskell"&gt;Why I still reach for Scheme and Lisp instead of Haskell&lt;/a&gt;. ~ Josep Bigorra. #Haskell #Scheme #Lisp #FunctionalProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://youtu.be/t1MQqDhYLyA"&gt;Collatz conjecture in Prolog&lt;/a&gt;. ~ Markus Triska. #Prolog #LogicProgramming&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.jeremykun.com/2026/04/29/ckks-polynomials-the-canonical-embedding-and-encoding/"&gt;CKKS — Polynomials, the canonical embedding, and encoding&lt;/a&gt;. ~ Jeremy Kun. #Python #Programming #Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.rabdos.ai/research/introducing-mathduels-ai"&gt;MathDuels: a self-play benchmark for mathematical reasoning&lt;/a&gt;. ~ Rabdos. #AI4Math&lt;/li&gt;
&lt;li&gt;&lt;a href="https://arxiv.org/abs/2604.21916"&gt;MathDuels: Evaluating LLMs as problem posers and solvers&lt;/a&gt;. ~ Zhiqiu Xu, Shibo Jin, Shreya Arya, Mayur Naik. #AI4Math&lt;/li&gt;
&lt;/ul&gt;</description><category>Agda</category><category>AI4Math</category><category>FunctionalProgramming</category><category>Haskell</category><category>HoTT</category><category>IsabelleHOL</category><category>ITP</category><category>LeanProver</category><category>Lisp</category><category>LogicProgramming</category><category>Math</category><category>Programming</category><category>Prolog</category><category>Python</category><category>Scheme</category><guid>https://jaalonso.github.io/vestigium/posts/2026/05/05-readings_shared_05-25-26/</guid><pubDate>Tue, 05 May 2026 04:00:00 GMT</pubDate></item></channel></rss>