Speaker
Description
3d N=4 theories are of particular interest as they admit various types of twists (topological-holomorphic). A framework with interesting implications is the one of topologically twisted 3d N=4 theories with holomorphic boundaries/defects. The significance of these configurations relies on the fact that local boundary operators form special Vertex operator algebras, the study of which can shed light on the structure of the topological bulk theory. A central question is the compatibility of such holomorphic boundary conditions with the bulk topological twist. In this talk I will discuss about certain aspects of such configurations using purely string theoretical and field theoretical approaches. To appear, in collaboration with I. Brünner and I. A. Saberi.
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