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