Lattices and Cohomology
Number Theory
2010-09-20 v1 K-Theory and Homology
Abstract
We give an interpretation of the cohomology of an arithmetically defined group as a set of equivalence classes of lattices. We use this interpretation to give a simpler proof of the connection established by J. Rohlfs between genus and cohomology.
Cite
@article{arxiv.1009.3282,
title = {Lattices and Cohomology},
author = {Luis Arenas-Carmona},
journal= {arXiv preprint arXiv:1009.3282},
year = {2010}
}