群序空间、拟同态与有界上同调
群论
2010-07-07 v2 代数拓扑
摘要
对于群,我们构造了一个从其左序到第二有界上同调的拟同态,以及从左序空间到第二有界上同调的映射。我们证明这些映射反映了群序的各种性质。
引用
@article{arxiv.1006.5491,
title = {Space of group orderings, quasi morphisms and bounded cohomology},
author = {Tetsuya Ito},
journal= {arXiv preprint arXiv:1006.5491},
year = {2010}
}
备注
14 pages, no figures, The statement of Theorem 1 is corrected