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math.GR2023
Classifying spaces for families of abelian subgroups of braid groups, RAAGs and graphs of abelian groups
Porfirio L. León Álvarez
Given a group and an integer we consider the family of all virtually abelian subgroups of of rank at most . In this article we prove that for e…
math.GR2023
Commensurators of abelian subgroups and the virtually abelian dimension of mapping class groups
Rita Jiménez Rolland, Porfirio L. León Álvarez, Luis Jorge Sánchez Saldaña
Let be the mapping class group of a compact connected orientable surface , possibly with punctures and boundary components, with negative Euler characteristic.…