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Abstract: We reformulate the Omega-deformation of four-dimensional gauge theory in away that is valid away from fixed points of the associated group action. We usethis reformulation together with the theory of coisotropic A-branes to explainrecent results linking the Omega-deformation to integrable Hamiltonian systemsin one direction and Liouville theory of two-dimensional conformal field theoryin another direction.



Autor: Nikita Nekrasov, Edward Witten

Fuente: https://arxiv.org/







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