Cohomology of exact categories and (non-)additive sheaves
K-Theory and Homology
2011-04-19 v2
Abstract
We use (non-)additive sheaves to introduce an (absolute) notion of Hochschild cohomology for exact categories as Ext's in a suitable bisheaf category. We compare our approach to various definitions present in the literature.
Cite
@article{arxiv.1102.5756,
title = {Cohomology of exact categories and (non-)additive sheaves},
author = {Dmitry Kaledin and Wendy Lowen},
journal= {arXiv preprint arXiv:1102.5756},
year = {2011}
}
Comments
27 pages