Bena Tshishiku

activity

20162026

most citedBorel's stable range for the cohomology of arithmetic groups

7 citations · 8 across the 7 of their papers we have counts for

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3 papers · 1 filter

math.GR2021★ 1 cited

Convex-cocompact subgroups of the Goeritz group

Bena Tshishiku

We show that finitely-generated, purely pseudo-Anosov subgroups of the genus-2 Goeritz group are convex cocompact in the genus-2 mapping class group.

math.GR2020

Arithmeticity of groups $Z^{n} ⋊ Z$

Bena Tshishiku

We study when the group $Z^{n} ⋊_{A} Z$ is arithmetic where $A \in G L_{n} (Z)$ is hyperbolic and semisimple. We begin by giving a characterization of arithmetic…

math.GR2019★ 7 cited

Borel's stable range for the cohomology of arithmetic groups

Bena Tshishiku

In this note, we remark on the range in Borel's theorem on the stable cohomology of the arithmetic groups Sp(2n,Z) and SO(n,n;Z). This improves the range stated in Borel's original…

Convex-cocompact subgroups of the Goeritz group

Arithmeticity of groups Zn⋊Z

Borel's stable range for the cohomology of arithmetic groups

Arithmeticity of groups $Z^{n} ⋊ Z$