2 papers
math.AG2018
Kasteleyn operators from mirror symmetry
David Treumann, Harold Williams, Eric Zaslow
Given a consistent bipartite graph in with a complex-valued edge weighting we show the following two constructions are the same. The first is to form the Ka…
math.SG2016
On the combinatorics of exact Lagrangian surfaces
Vivek Shende, David Treumann, Harold Williams
We study Weinstein 4-manifolds which admit Lagrangian skeleta given by attaching disks to a surface along a collection of simple closed curves. In terms of the curves describing on…