‣ HomologyFunctor( H(A), A, n ) | ( operation ) |
Returns: a functor
The first argument in the input must be the chain (resp. cochain) homotopy category of an additive category A, the second argument is A and the third argument is an integer n. The output is the n'th homology (resp. cohomology) functor :\mathrm{H}(A) \rightarrow A.
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