CMSA EVENTS
August 5, 2020 3:30 pmI will discuss the conditions under which Higgs and confining regimes in gauge theories with fundamental representation matter fields can be sharply distinguished. It is widely believed that these regimes...
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CMSA EVENTS
August 4, 2020 9:30 amKapustin and Witten have studied a one-parameter family of topological twists of 4d N=4 super Yang--Mills. They have shown that the categories of boundary conditions on a surface are exactly...
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CMSA EVENTS
July 31, 2020 3:00 pmDualities play an important role in both quantum field theories and condensed matter systems. They can map hard-to-solve, interacting theories to free, non-interacting ones often trigger a deeper understanding of the...
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CMSA EVENTS
July 30, 2020 9:30 amTopological qauntum field theory(TQFT) is a very powerful theoretical tool to study topological phases and phase transitions. In 2 + 1D, it is well known that the Chern-Simons theory captures...
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MATHEMATICAL PICTURE LANGUAGE
July 28, 2020 10:00 amThe Clifford group is the most important set of quantum circuits that allow for an efficient classical description. It therefore forms an integral part of many protocols in quantum information, and it...
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CMSA EVENTS
July 27, 2020 9:30 pmLet $C$ be a complex smooth projective curve. We consider the set of parabolic de Rham bundles over $C$ (with rational weights in parabolic structure). Many examples arise from geometry:...
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CMSA EVENTS
July 27, 2020 10:00 pmDespite the importance of intangibles in today's economy, current standards prohibit the capitalization of internally created knowledge and organizational capital, resulting in a downward bias of reported assets. As a...
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CMSA EVENTS
July 23, 2020 9:30 amI will talk about a nonperturbative formulation of chiral fermions and chiral (self-dual) p-form fields, in terms of massive theories in one-higher dimensions. The introduction of the higher dimensional bulk is unavoidable...
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CMSA EVENTS
July 22, 2020 9:30 amIn the constructions of symmetry-protected topological (SPT) states, we usually decorate lower-dimensional states to higher codimensional domain walls of the system. In this talk, we will argue that domain wall decorations are basically...
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MATHEMATICAL PICTURE LANGUAGE
July 21, 2020 10:00 amWe are interested in mathematical results which are stated entirely without reference to von Neumann algebras but whose proofs use von Neumann algebras in an essential way. The first stunning...
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