JournalslemVol. 57, No. 1/2Volume 57, No. 1/2 (2011) L’Enseignement Mathématiquepp. 3–21A note on the Chas-Sullivan productFrançois Laudenbachpp. 23–56From spaces of polygons to spaces of polyhedra following Bavard, Ghys and ThurstonFrançois Fillastrepp. 57–89A Frobenius theorem for Cartan geometries, with applicationsKarin Melnickpp. 91–102Quadratic Form made a Perfect Power by a New Composition Theorem on Arbitrary Quadratic FormsAjay Choudhrypp. 103–115A short geometric proof of a conjecture of FultonNicolas Ressayrepp. 117–153Sur l'ergodicité du flot géodésique en courbure négative ou nulleYves Coudènepp. 155–163The stable rank of arithmetic orders in division algebras – an elementary approachJoachim SchwermerOgnjen Vukadinpp. 165–208Sur la coupe des vêtements. Variation autour d'un thème de TchebychevÉtienne Ghys
pp. 23–56From spaces of polygons to spaces of polyhedra following Bavard, Ghys and ThurstonFrançois Fillastre
pp. 91–102Quadratic Form made a Perfect Power by a New Composition Theorem on Arbitrary Quadratic FormsAjay Choudhry
pp. 155–163The stable rank of arithmetic orders in division algebras – an elementary approachJoachim SchwermerOgnjen Vukadin
