Spinor and Plateau billiards
Also appears in collection : Conférence en l'honneur de Jean-Pierre Bourguignon
Also appears in collection : Conférence en l'honneur de Jean-Pierre Bourguignon
By Mikhail Gromov
By Mikhail Gromov
By Yves Meyer
By Jean-Louis Colliot-Thélène , Jean-Pierre Serre
By Jean-Pierre Serre
By Jean-Pierre Serre
By Endre Szemerédi