PERIMETER INSTITUTE RECORDED SEMINAR ARCHIVE
 | PSI 2017/2018 - Quantum Integrable Models - Lecture 3 Speaker(s): Alex Weekes
Abstract:
The XXX spin chain. Monodromy matrices and the RTT relation. The Yangian. Date: 21/03/2018 - 11:30 am
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 | PSI 2017/2018 - Quantum Integrable Models - Lecture 2 Speaker(s): Alex Weekes
Abstract:
The Yang Baxter Equation and commuting transfer matrices. Date: 20/03/2018 - 11:30 am
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 | PSI 2017/2018 - Quantum Integrable Models - Lecture 1 Speaker(s): Alex Weekes
Abstract:
Vertex model of stat mech. The monodromy and transfer matrices. Date: 19/03/2018 - 11:30 am
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 | Kreiman-Lakshmibai-Magyar-Weyman Ideas Speaker(s): Alex Weekes
Abstract: I'll discuss an ongoing project of mine with Dinakar Muthiah and Oded Yacobi, which is based on ideas of Kreiman-Lakshmibai-Magyar-Weyman. It is aimed at developing a "nice" standard monomial theory for the affine Grassmannian in type A, where "nice" means hopefully close in spirit to Hodg... read more
Date: 12/02/2018 - 2:00 pm
Series: Mathematical Physics
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 | Shifted Yangians, loop groups, and (co)products Speaker(s): Alex Weekes
Abstract: I'll describe a family of algebras called shifted Yangians, which arise as deformation quantizations of certain spaces related to loop groups. I'll also describe coproducts for these algebras, which are related to multiplication in the loop group. Physically, this fits into the s... read more
Date: 29/09/2016 - 2:00 pm
Series: Mathematical Physics
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 | Symplectic duality and a presentation of the cohomology of Nakajima quiver varieties Speaker(s): Alex Weekes
Abstract: We will discuss a (conjectural) explicit presentation for the equivariant cohomology of Nakajima quiver varieties of type ADE. This presentation arises as a shadow of the expected symplectic duality between slices to Schubert varieties in the affine Grassmannian and Nakajima quiver varieti... read more
Date: 28/01/2016 - 1:30 pm
Series: Mathematical Physics
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