Def groupCohomology.oneCocyclesLequivOfIsTrivial

Modification history

2023-11-08 04:41

Mathlib/RepresentationTheory/GroupCohomology/LowDegree.lean

feat(RepresentationTheory/GroupCohomology/LowDegree): `H¹(G, A) ≃ Hom(G, A)` for a trivial representation (#7988)

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