homology -- general homology functor

Description

Most applications of this functor are dispatched through HH. If it is intended that i be of class ZZ, M be of class A, and N be of class B, then the method for computing HH_i(M,N) can be installed with code of the following form.

     homology(ZZ, A, B) := opts -> (i,M,N) -> ...

Ways to use homology :

HH ChainComplex -- homology of a chain complex
HH ChainComplexMap -- homology of a chain complex map
HH_ZZ ChainComplex -- homology of a chain complex
HH_ZZ ChainComplexMap -- homology of a chain complex map
HH_ZZ Sequence (missing documentation)
homology(Matrix,Matrix) -- homology of a pair of maps
homology(SheafMap,SheafMap) (missing documentation)

For the programmer

The object homology is a method function with options.

homology -- general homology functor

Description

See also

Ways to use homology :

For the programmer