Synopsis:
f ** C -- tensor product of a map of chain complexes with a chain complex.
See also:
Code:
-- ../../../Macaulay2/m2/chaincomplexes.m2:756-763 ChainComplexMap ** ChainComplex := ChainComplexMap => (f,C) -> ( P := youngest(f,C); key := (f,C,symbol **); if P#?key then P#key else f**C = ( f ** id_C ) )