The proof that the adele ring of a number field is locally compact, formalised in Lean 4.

Algorithms and Complexity Library using the lightweight query combinator framework called "Prog"

A Lean companion to Analysis I

Formally Verified Arguments of Knowledge in Lean

A formalized proof of Artin-Wedderburn theorem in Lean4

repository for the collaborative formalization seminar in Analysis in Bonn

An Universe for Mitar —— Classical Calculus

Formalization of communication complexity in Lean

A formal consistency proof of Quine's set theory New Foundations

Formalisation of some facts about event structures and reversibility

A project to formalize Fisher-Tippett-Gnedenko theorem (default project of course MS-EV0029)

Zero-sorry Lean 4 library of finite-sample statistical learning theory: PAC-Bayes (incl. a five-component test-time meta-bound), VC, Rademacher, sharp McDiarmid, and Dudley chaining. ICML 2026 AI4MATH

Formalizing "Proofs from THE BOOK"

Formalization of Mathematical Logic