Toeplitz operators on symplectic manifolds
  We study the Berezin-Toeplitz quantization on symplectic manifolds making use of the full off-diagonal asymptotic expansion of the Bergman kernel. We give also a characterization of Toeplitz operators in terms of their asymptotic expansion. The semi-classical limit properties of the Berezin-Toeplitz quantization for non-compact manifolds and orbifolds are also established. 
Xiaonan Ma (Universite Denis Diderot - Paris 7), George Marinescu   (Universitaet zu Koeln & IMAR Bucharest)