Volker Gebhardt

activity

20032024

most citedOn parabolic subgroups of Artin-Tits groups of spherical type

29 citations · 103 across the 19 of their papers we have counts for

collaborators

Showing 2011Show all

2 papers · 1 filter

math.GR2011★ 9 cited

Generating random braids

Volker Gebhardt, Juan González-Meneses

We present an algorithm to generate positive braids of a given length as words in Artin generators with a uniform probability. The complexity of this algorithm is polynomial in the…

math.GT2011★ 15 cited

Finite index subgroups of mapping class groups

Luis Paris, Jon A Berrick, Volker Gebhardt

Let $g \geq 3$ and $n \geq 0$ , and let $M_{g, n}$ be the mapping class group of a surface of genus $g$ with $n$ boundary components. We prove that $M_{g, n}$ cont…