next | previous | forward | backward | up | top | index | toc | Macaulay2 web site
Macaulay2Doc :: cohomology

cohomology -- general cohomology functor

Synopsis

Description

cohomology -- a method name available for computing expressions of the forms HH^i(X) and HH^i(M,N).

If it is intended that i be of class ZZ, M be of class A, and N be of class B, then the method can be installed with

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

See also

Ways to use cohomology :