clopen.solutions

MI-29: a counterexample to the modulus-order determinant comparison

Recorded by the registry's curators from GitHub; the authors did not submit it here.

George Stepaniants

Proves genuine continuous-functional-calculus bridges, positive-real determinant semantics, an admissible exact complex-matrix witness, and the negation of the full original conjecture with arbitrary nonnegative real exponents.

Claims

LEAN VERIFIED OP-00109 — Modulus-order determinant comparison with an arbitrary base power
Disproof · statement matched the canonical formalisation

Files and sources

Paper
OpenProblemsInNLA @ e375a6f, MI-29/lean/ ↗
Lean bundle
submissions/bundles/openproblemsinnla-mi-29-lean.tar.gz
Toolchain
leanprover/lean4:v4.33.1
Posted on GitHub
12 September 2026

Verification PASSED

Attempt
1
Toolchain
leanprover/lean4:v4.33.1
Auditor
v1 · modal
lake build
succeeded
Kernel replay
succeeded
Duration
0:01:40.355795

Declarations audited

DeclarationKindAxiomsUnused hypothesesCanonical
NLA.MI29.not_modulusDeterminantConjecture theorem · Prop propext, Classical.choice, Quot.sound none matched
RegistryProblems.Problem_OP_00109 definition propext, Classical.choice, Quot.sound none no canonical statement

NLA.MI29.not_modulusDeterminantConjecture

Not NLA.MI29.ModulusDeterminantConjecture

RegistryProblems.Problem_OP_00109

Prop

Build log

RegistryProblems: built against the registry's copy at 38ca23a44fc2b159a0c944d5c9af39a80eb601c2 rather than the pinned 545a5d18ad3917d52192c41ce172ec4b41945751. Statements are checked by content, not revision.
✔ [3147/3151] Built NLA.MI29.Definitions (6.3s)
ℹ [3148/3151] Built NLA.MI29.Proof (19s)
info: NLA/MI29/Proof.lean:277:0: 'NLA.MI29.spectralPower_natCast_proved' depends on axioms: [propext, Classical.choice, Quot.sound]
info: NLA/MI29/Proof.lean:278:0: 'NLA.MI29.modulus_power_eight_proved' depends on axioms: [propext, Classical.choice, Quot.sound]
info: NLA/MI29/Proof.lean:279:0: 'NLA.MI29.comparison_positive_real_proved' depends on axioms: [propext, Classical.choice, Quot.sound]
info: NLA/MI29/Proof.lean:280:0: 'NLA.MI29.scalar_gap_positive' depends on axioms: [propext, Classical.choice, Quot.sound]
info: NLA/MI29/Proof.lean:281:0: 'NLA.MI29.leftDet_exact' depends on axioms: [propext, Classical.choice, Quot.sound]
info: NLA/MI29/Proof.lean:282:0: 'NLA.MI29.rightDet_exact' depends on axioms: [propext, Classical.choice, Quot.sound]
info: NLA/MI29/Proof.lean:283:0: 'NLA.MI29.determinant_gap_exact' depends on axioms: [propext, Classical.choice, Quot.sound]
info: NLA/MI29/Proof.lean:284:0: 'NLA.MI29.witness_strict_violation' depends on axioms: [propext, Classical.choice, Quot.sound]
info: NLA/MI29/Proof.lean:285:0: 'NLA.MI29.counterexample_proved' depends on axioms: [propext, Classical.choice, Quot.sound]
info: NLA/MI29/Proof.lean:286:0: 'NLA.MI29.not_modulusDeterminantConjecture_proved' depends on axioms: [propext, Classical.choice, Quot.sound]
ℹ [3149/3151] Built Solution (4.0s)
info: Solution.lean:69:0: 'NLA.MI29.spectralPower_natCast' depends on axioms: [propext, Classical.choice, Quot.sound]
info: Solution.lean:70:0: 'NLA.MI29.modulus_power_eight' depends on axioms: [propext, Classical.choice, Quot.sound]
info: Solution.lean:71:0: 'NLA.MI29.comparison_positive_real' depends on axioms: [propext, Classical.choice, Quot.sound]
info: Solution.lean:72:0: 'NLA.MI29.counterexample' depends on axioms: [propext, Classical.choice, Quot.sound]
info: Solution.lean:73:0: 'NLA.MI29.not_modulusDeterminantConjecture' depends on axioms: [propext, Classical.choice, Quot.sound]
✔ [3150/3151] Built RegistryRecord (3.7s)
Build completed successfully (3151 jobs).