Les groupes de triangles $(2,p,q)$ sont détermineés par leur spectre des longueurs
Abstract
Description
We describe the length spectra of triangle groups $(2,p,q)$ before showing that the length spectra characterizes the isometry class of such a group.
29 pages, in french, to appear in Annales Institut Fourier
29 pages, in french, to appear in Annales Institut Fourier