Abstract
We reformulate the Ω-deformation of four-dimensional gauge theory in a way that is valid away from fixed points of the associated group action. We use this reformulation together with the theory of coisotropic A-branes to explain recent results linking the Ω-deformation to integrable Hamiltonian systems in one direction and Liouville theory of two-dimensional conformal field theory in another direction.
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Nekrasov, N., Witten, E. The omega deformation, branes, integrability and Liouville theory. J. High Energ. Phys. 2010, 92 (2010). https://doi.org/10.1007/JHEP09(2010)092
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DOI: https://doi.org/10.1007/JHEP09(2010)092