nipkow/AIST
Apr 2025 – Jul 2025
2 Months active
Languages Used
Isabelle/HOL
Technical Skills
Formal VerificationLogicTheorem ProvingAbstract Algebra
InvalidString
PROFILE
Invalidstring
Worked on formal verification and theorem proving for linear systems in the nipkow/AIST repository, focusing on both correctness and maintainability. Developed is_sols3, an alternative and more intuitive formulation for verifying solutions to linear equations, and rigorously proved its equivalence to the existing is_sols method, enhancing clarity and reliability in solution checks. Completed the core Gauss-Jordan elimination proof, introducing the dot_map2_plus lemma to address distributive properties of dot products under mapped addition. Improved the readability and maintainability of Gauss_Jordan.thy. Utilized Isabelle/HOL and applied expertise in abstract algebra, logic, and formal verification throughout the development process.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
3Total
Bugs
0
Commits
3
Features
2
Lines of code
246
Activity Months2
Your Network
21 peopleShared Repositories
21
Akihisa YamadaMember
Alexander HaberlMember
Akihisa YamadaMember
GustiMember
FabianMember
Felipe EscallonMember
Felix KrayerMember
Felix KrayerMember
Felipe EscallonMember
Work History
July 2025
2 Commits • 1 Features
Jul 1, 2025July 2025: Completed core Gauss-Jordan elimination proof and readability improvements in nipkow/AIST. Delivered essential correctness groundwork: introduced dot_map2_plus lemma for distributive dot products under mapped addition, and fixed/proved critical lemmas (solve1_unique, subst_unique, map_subst_unique, solves_correct). Implemented readability improvements in Gauss_Jordan.thy to enhance maintainability. Two commits captured: 0083def386b56f219f5ce73fd411e874dfbbf0b2 (main proof done) and 3e4dce395ad166bba1bb3e11fa09d720a7598f0a (minor cosmetic changes).
2 Commits • 1 Features
Jul 1, 2025July 2025: Completed core Gauss-Jordan elimination proof and readability improvements in nipkow/AIST. Delivered essential correctness groundwork: introduced dot_map2_plus lemma for distributive dot products under mapped addition, and fixed/proved critical lemmas (solve1_unique, subst_unique, map_subst_unique, solves_correct). Implemented readability improvements in Gauss_Jordan.thy to enhance maintainability. Two commits captured: 0083def386b56f219f5ce73fd411e874dfbbf0b2 (main proof done) and 3e4dce395ad166bba1bb3e11fa09d720a7598f0a (minor cosmetic changes).
July 2025
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025: Focused on improving solution verification for linear systems in nipkow/AIST. Introduced is_sols3 as an alternative, more intuitive formulation for checking solutions; established its equivalence to is_sols and completed making is_sols exhaustive, thereby increasing verification clarity and correctness.
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025: Focused on improving solution verification for linear systems in nipkow/AIST. Introduced is_sols3 as an alternative, more intuitive formulation for checking solutions; established its equivalence to is_sols and completed making is_sols exhaustive, thereby increasing verification clarity and correctness.
Activity
Loading activity data...
Quality Metrics
Correctness96.6%
Maintainability86.6%
Architecture86.6%
Performance73.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
Isabelle/HOL
Technical Skills
Abstract AlgebraFormal VerificationLogicTheorem Proving
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline