Speakers:  Thomas Bitoun (U. of Calgary)

Title:  The D-module of an isolated singularity

Abstract: : Let Z be the germ of a complex hypersurface isolated singularity of equation f. We consider the family of analytic D-modules generated by the powers of 1/f and relate it to the pole order filtration on the de Rham cohomology of the complement of {f=0}. This work builds on Vilonen’s characterization of the intersection homology D-module.