University of Sydney Algebra Seminar

Tamas Hausel

Friday 24 October, 12-1pm, in Carslaw 175

Ringifying intersection cohomology

Although there is no natural ring structure on intersection cohomology, in the case of affine and finite Schubert varieties also at their singular points, partly conjecturally, we ringify intersection cohomology using our big algebra approach to geometric representation theory of compact and complex Lie groups.