p = stableHom(M,N)
The stable Hom is Hom(M,N)/T where T is the submodule of homomorphisms that factor through a free cover of N (or, equivalently, through any projective)
The object stableHom is a method function.
The source of this document is in /build/reproducible-path/macaulay2-1.25.05+ds/M2/Macaulay2/packages/CompleteIntersectionResolutions.m2:4649:0.