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The University of Southampton
STAG Research Centre

String Theory seminar - Fabrizio del Monte Seminar

Time:
12:00
Date:
3 December 2019
Venue:
Building 13, room 3021

For more information regarding this seminar, please email David Turton at [email protected] .

Event details

Title: Class S theories and isomonodromic deformations on the torus

Abstract: In the last few years there have been many new results connecting (linear quiver) N=2 class S theories, and the topological strings that engineeer them, to the theory of isomonodromic deformations on the sphere and their q-deformations. These gauge theories are constructed by compactifying the 6d N=(0,2) SCFT on a punctured Riemann Sphere, whose moduli, which are the marginal deformations of the gauge theory, are the times of the isomonodromic flows.
The aim of this talk is to show how this connection can be extended beyond the case of genus zero, for more general (asymptotically superconformal) class S theories. We will discuss in detail the case of circular quiver gauge theories, that are obtained from the N=(0,2) SCFT on punctured tori, and see how the genus one case displays new qualitative features that are absent on the sphere, due to the possibility of various inequivalent vector bundles, and how this actually provides new interesting relations satisfied by the gauge theory partition function.

Speaker information

Fabrizio del Monte , Sissa.

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