03/04/2013, 11:30 — 12:30 — Sala P3.10, Pavilhão de Matemática
John Huerta, Instituto Superior Técnico
Anomalies IVWe will introduce the notion of stable isomorphism for gerbes, and talk about how stable isomorphism classes are in one-to-one correspondence with Deligne cohomology classes. We define WZW branes and discuss how the basic gerbe on a group trivializes when restricted to the brane.
Organizadores correntes: Roger Picken, Marko Stošić.
Projecto FCT PTDC/MAT-GEO/3319/2014, Quantization and Kähler Geometry.