Seminar on singularities of solutions of linear partial differential equations

Spectral analysis of singularities / L. Hörmander --
Fourier integral operators with complex phase functions / J. Sjöstrand --
Hypoelliptic operators with double characteristics / A. Menikoff --
Differential boundary value problems of principal type / R.B. Melrose --
Propagation of singularities for a class of operators with double characteristics / N. Hanges --
Subelliptic operators / L. Hörmander --
Lacunas and transmissions / L. Boutet de Monvel --
Some classical theorems in spectral theory revisited / V. Guillemin --
A Szegö theorem and complete symbolic calculus for pseudo-differential operators / H. Widom.