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Holonomy observables in Ponzano-Regge type state sum models
Holonomy observables Ponzano-Regge type state sum models group elements Chern-Simons theory
2011/7/29
Abstract: We study observables on group elements in the Ponzano-Regge model. We show that these observables have a natural interpretation in terms of Feynman diagrams on a sphere and contrast them to ...
Equivariant holonomy for bundles and abelian gerbes
Equivariant Chern character Abelian gerbe Holonomy Higher Hochschild complex
2011/7/27
Abstract: This paper generalizes Bismut's equivariant Chern character to the setting of abelian gerbes. In particular, associated to an abelian gerbe with connection, an equivariantly closed different...