Includes bibliographical references.

Deformation quantization: a minilecture ; Examples of noncommutative instantons ; Topological quantum field theories, strings and orbifolds ; Nonformal deformation quantization of FrechetPoisson algebras: the Heisenberg and Lie algebra case ; Anomalies and noncommutative index theory ; lat connections ; Dirac equation in a black hole background ; Homological matrices ; On some qualitative properties of stratified flows ; Property (T) and tensor products by irreducible finite dimensional representations for rm SL_n(\Bbb R)\ n\geq 3 ; Painleve VI equation from invariant instantons ; Quantum statistical mechanics and class field theory ; Uniqueness of Kashiwara's quantization of complex contact manifolds ; heoretic gap labeling for quasicrystals Martin Bordemann ; Giovanni Landi ; Ernesto Lupercio and Bernardo Uribe ; Hideki Omori Yoshiaki Maeda Naoya Miyazaki and Akira Yoshioka ; Denis Perrot ; Mauricio Angel and Rafael Diaz ; Alejandro Caceres ; Edmundo Castillo and Rafael Diaz ; Andrei Giniatoulline and Oswaldo Zapata ; Maria Paula GomezAparicio ; Richard Muniz Manasliski ; Jorge Plazas ; Pietro Polesello ; Fonger Ypma