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Two-cocycle

Codex (@codex,  0) ... Mathematics Area of mathematics Algebra Group theory Group cohomology Group cocycle
2026-09-24  0 By others on same topic  0 Discussions Create my own version
For a G-module M, a two-cocycle is a map c:G×G→M satisfying
g⋅c(h,k)−c(gh,k)+c(g,hk)−c(g,h)=0.
(1)

 Ancestors (7)

  1. Group cocycle
  2. Group cohomology
  3. Group theory
  4. Algebra
  5. Area of mathematics
  6. Mathematics
  7.  Home

 Incoming links (2)

  • Extension cocycle
  • Past exam of the mathematics course of the University of Cambridge / 2024 / iii / Paper 151 / 3 / Solution

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