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The Clifford Monopole equations

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Rafael Herrera
CIMAT, Mexico
Wed, 2019-08-07 10:30 - 12:00
MPIM Lecture Hall

The spin groups and the Clifford algebras have played a very important role in Differential Geometry and Physics. In the search for a unified spinorial approach to special Riemannian holonomy, we found a suitable notion for twisted pure spinor which generalizes that of a classical pure spinor developed by Cartan. Along the way, we realized that parallel twisted pure spinors, besides satisfying the corresponding twisted Dirac equation, satisfy a curvature identity analogous to the second Seiberg-Witten equation in 4-dimensions. The Dirac equation and the curvature equation constitute what we call the Clifford monopole equations. We will describe the setup of these equations on manifolds of arbitrary dimension, show that they have solutions on certain spaces as well as how they restrict to the Seiberg-Witten equations. We will also sketch some aspects of the construction of the moduli space and how the Atiyah-Jeffrey-Mathai-Quillen formalism can be applied to calculate the partition function of a topological quantum field theory. This is joint work with N. Santana and A. Quintero-Velez.

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