Theorem groupCohomology.H2π_eq_zero_iff

Modification history

2025-07-03 00:27
Mathlib/RepresentationTheory/Homological/GroupCohomology/LowDegree.lean
refactor: denote low degree group cohomology API indices with subscripts (#26546) …
Modified groupCohomology.H2π_eq_zero_iffView on Github →
2025-02-19 09:43
Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean
refactor(RepresentationTheory/GroupCohomology/LowDegree): make `nCoboundaries` a submodule of the n-cochains rather than the `nCocycles` for `n = 0, 1, 2` (#22047)
Modified groupCohomology.H2π_eq_zero_iffView on Github →
2025-02-18 17:20
Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean
refactor(RepresentationTheory/GroupCohomology/LowDegree): define `Hn` using `ShortComplex.moduleCatHomology` for `n = 0, 1, 2` (#22046)
Added groupCohomology.H2π_eq_zero_iffView on Github →