I will first recall the notions of Schwartz functions and tempered distributions – on the line and then on general real affine algebraic manifolds. Then I will pose a problem on the existence of distributions that are semi-invariant under a … Continue reading Colloquium: Tuesday, May 31, 2 pm. Speaker: Dmitry Gourevitch (Weizmann). Title: “D-modules and equivariant distributions – old and new”.