The second bounded cohomology of a group with infinitely many ends
Group Theory
2008-02-03 v1
Abstract
We study the second bounded cohomology of an amalgamated free product of groups, and an HNN extension of a group. As an application, we have a group with infinitely many ends has infinite dimensional second bounded cohomology.
Keywords
Cite
@article{arxiv.math/9505208,
title = {The second bounded cohomology of a group with infinitely many ends},
author = {Koji Fujiwara},
journal= {arXiv preprint arXiv:math/9505208},
year = {2008}
}