PMIHES, Tome 94 (2001)

Sommaire

Central extensions of reductive groups by

K_{2}

Brylinski, Jean-Luc ; Deligne, Pierre

p. 5-85

Spectral curves, opers and integrable systems

Ben-Zvi, David ; Frenkel, Edward

p. 87-159

Variétés sphériques de type A

p. 161-226