Showing math.GRShow all
2 papers · 1 filter
math.GR2025
On the classification of CW complexes with prescribed links
Sylvain Barré, Mikaël Pichot
Reporting on a computer--assisted search for nonpositively curved CW complexes of intermediate rank conducted some years ago. Not intended for publication.
math.GR2008
The 4-string Braid group has property RD and exponential mesoscopic rank
Sylvain Barré, Mikael Pichot
We prove that the braid group on 4 strings, as well as its central quotient , have the property RD of Haagerup-Jolissaint. It follows that the automorphism group $\…