23/09/2010, 15:00 — 16:00 — Sala P4.35, Pavilhão de Matemática James Lewis, University of Alberta
An Archimedean height pairing on the equivalence relation defining Bloch's higher Chow groups
The existence of a height pairing on the equivalence relation defining Bloch's higher Chow groups is a surprising consequence of some recent joint work by myself and Xi Chen on a nontrivial -class on a self-product of a general surface. I will explain how this pairing comes about.