Separation and excision in functor homology
K-Theory and Homology
2026-05-28 v3
Abstract
We prove separation and excision results in functor homology. These results explain how the global Steinberg decomposition of functors proved by Djament, Touz{\'e} and Vespa behaves in Ext and Tor computations.
Keywords
Cite
@article{arxiv.2503.04251,
title = {Separation and excision in functor homology},
author = {Aurélien Djament and Antoine Touzé},
journal= {arXiv preprint arXiv:2503.04251},
year = {2026}
}