James Lewis

Scientific, Seminar
Algebraic Geometry Seminar: James Lewis
May 23, 2013
University of British Columbia
The existence of a height pairing on the equivalence relation defining Bloch's higher cycle groups is a surprising consequence of some recent joint work by myself and Xi Chen on a nontrivial K_1-class on a self-product of a general K3 surface. I will...
Scientific, Seminar
Geometry and Physics Seminar: James Lewis
March 12, 2014
University of Alberta
Based on some recent joint work of J. Lewis, and others, we formulate a variation of the Beilinson-Hodge conjecture pertaining to varieties defined over the complex numbers. In this talk, we explain the motivation for this conjecture, and some...