2 papers
math.MG2004
Roundness properties of groups
J. -F. Lafont, S. Prassidis
Roundness of metric spaces was introduced by Per Enflo as a tool to study uniform structures of linear topological spaces. The present paper investigates geometric and topological…
math.GR2004
On injective homomorphisms for pure braid groups, and associated Lie algebras
F. R. Cohen, Stratos Prassidis
The question of whether a representation of Artin's pure braid group is faithful is translated to certain properties of the Lie algebra arising from the descending central series o…