Finite range decomposition of Gaussian fields

Speaker: 
Roland Bauerschmidt
Date: 
Tue, Jun 12, 2012
Location: 
PIMS, University of British Columbia
Conference: 
PIMS-MPrime Summer School in Probability
Abstract: 
I will show how to decompose the Gaussian free field on a (weighted) graph into a sum of finite range Gaussian fields, which are smoother than the original field and have spatially localized correlations.