Les groupes de triangles (2,p,q) sont d\'etermine\'es par leur spectre des longueurs
Abstract
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.
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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.