Cellular cohomology of posets with local coefficients
Algebraic Topology
2016-12-13 v2
Abstract
We describe a "cellular" approach to the computation of the cohomology of a poset with coefficients in a presheaf. A cellular cochain complex is constructed, described explicitly and shown to compute the cohomology under certain circumstances. The descriptions are refined further for certain classes of posets including the cell posets of regular CW-complexes and geometric lattices.
Keywords
Cite
@article{arxiv.1406.3476,
title = {Cellular cohomology of posets with local coefficients},
author = {Brent Everitt and Paul Turner},
journal= {arXiv preprint arXiv:1406.3476},
year = {2016}
}
Comments
20 pages