2009 Number Theory Seminar - 05

  • Date: 02/12/2009
Lecturer(s):
Karen Yeats (SFU)
Location: 

Simon Fraser University

Topic: 

Weight drop in Phi^4 transcendentals

Description: 

Primitive Feynman graphs in Phi^4 theory give rise to transcendental
numbers which, from the work of people like David Broadhurst, are
multiple zeta values in known examples. Very little is known in
general. Even how to predict the weight of the zeta value from the
graph without doing the integrations is not known in general. I will
discuss one special case of predicting weight drop, some interesting
conjectures from the known data, and what very little I can prove so
far.

Schedule: 

3:00pm-3:50pm, Room ASB 10900 (IRMACS)