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Department of Mathematical Sciences

Seminar Archives

On this page you can find information about seminars in this and previous academic years, where available on the database.

Maths HEP Lunchtime Seminars: Deformations of Generalized Calibrations

Presented by "Jan Gutowski (Queen Mary, London)",

8 November 2002 13:00 in CM221

"Generalized calibrations describe types of energy minimizing submanifolds. In string theory these correspond to branes wrapping supersymmetric cycles in curved backgrounds with fluxes.
We investigate the deformation theory of various types of calibrated submanifolds on curved backgrounds for which the tangent bundle has structure group U(N), SU(N), G_2 and Spin(7). We show that the moduli space has finite dimension in all cases and consider several examples, such as calibrations on almost Hermitian manifolds, nearly parallel G_2 manifolds and group manifolds."

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