HH

HH -- general homology and cohomology functor.

Specific examples:

  • HH_ZZ ChainComplex -- homology of a chain complex
  • HH ChainComplex -- total homology of a chain complex
  • HH_ZZ ChainComplexMap -- homology as a functor
  • HH_Matrix Matrix -- homology of a pair of maps
  • HH^ZZ ChainComplex -- cohomology of a chain complex
  • HH^ZZ ChainComplexMap -- cohomology as a functor
  • HH^ZZ Module -- local cohomology
  • HH^ZZ CoherentSheaf -- sheaf cohomology

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