2 papers
math.DS2014
Volume entropy for minimal presentations of surface groups in all ranks
Lluís Alsedà, David Juher, Jérôme Los +1
We study the volume entropy of a class of presentations (including the classical ones) for all surface groups, called \emph{minimal geometric presentations}. We rediscover a formul…
math.DS2014
On the set of periods of sigma maps of degree 1
Lluís Alsedà, Sylvie Ruette
We study the set of periods of degree 1 continuous maps from sigma into itself, where sigma denotes the space shaped like the letter sigma (i.e., a segment attached to a circle by…