14–19 Jun 2010
Villasimius, Sardinia
Europe/Rome timezone

Topological gravity on a lattice

17 Jun 2010, 17:00
20m
Room6 (Villasimius, Sardinia)

Room6

Villasimius, Sardinia

Tanka Village
Theoretical developments Parallel 48: Theoretical developments

Speaker

simon catterall (Syracuse University)

Description

I review the connection between Chern Simons theory and three dimensional Einstein-Hilbert gravity. I point out that both the moduli space and topological observables in the gravitational theory are shared with a twisted super Yang-Mills theory. The latter possesses a lattice formulation which preserves many features of this topological structure. We thus conjecture that the lattice theory provides a non-perturbative regularization for three dimensional quantum gravity - free from the usual problems of path integral approaches to Euclidean quantum gravity.
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Primary author

simon catterall (Syracuse University)

Presentation materials