Def groupCohomology.H1IsoOfIsTrivial

Modification history

2025-06-17 03:55
Mathlib/RepresentationTheory/Homological/GroupCohomology/LowDegree.lean
refactor(RepresentationTheory/GroupCohomology): refactor low degree group cohomology (#25870) …
Modified groupCohomology.H1IsoOfIsTrivialView on Github →
2025-05-29 14:16
Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean
refactor(RepresentationTheory/GroupCohomology/*): replace `nCochainsLequiv` with isomorphisms in `ModuleCat` for `n = 0, 1, 2` (#24693) …
Added groupCohomology.H1IsoOfIsTrivialView on Github →