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Seminar Sequence: Coulomb branches and their resolutions May 14, 2018 (02:30 PM PDT - 03:30 PM PDT)
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Location: MSRI: Simons Auditorium
Speaker(s) Hiraku Nakajima (Kavli Institute for the Physics and Mathematics of the Universe )
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Coulomb branch of a 3d gauge theory is defined (after Braverman-Finkelberg-N) as the spectrum of a certain commutative ring, defined as a convolution algebra of a certain infinite dimensional variety. A variant of its definition gives a (partial) resolution, when we have the so-called flavor symmetry in the theory. We identify the resolution with smooth Cherkis bow variety for a quiver gauge theory of an affine type A. (Joint work with Braverman and Finkelberg).


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