We review the approach to the geometric Langlands program for algebraic curves via S-duality of an N=4 supersymmetric four dimensional gauge theory, initiated by Kapustin and Witten in 2006. We sketch some of the central further developments. Placing this four dimensional gauge theory into a six dimensional framework, as advocated by Witten, holds the promise to lead to a formulation which makes geometric Langlands duality a manifest symmetry (like coavariance in differential geometry). Furthermore, it leads to an approach toward geometric Langlands duality for algebraic surfaces, reproducing and extending the recent results of Braverman and Finkelberg.
CITATION STYLE
Schlesinger, K.-G. (2010). A Physics Perspective on Geometric Langlands Duality. In Affine Flag Manifolds and Principal Bundles (pp. 219–232). Springer Basel. https://doi.org/10.1007/978-3-0346-0288-4_8
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