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Stephane Launois (Kent)
Wednesday 28 November 2012, 16:30-17:30
From total positivity to quantum algebras
- đ¤ Speaker: Stephane Launois (Kent)
- đ Date & Time: Wednesday 28 November 2012, 16:30 - 17:30
- đ Venue: MR12
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Christopher Brookes
Abstract
In recent publications, the same combinatorial description has arisen for three separate objects of interest: non-negative cells in the real Grassmannian (Postnikov, Williams); torus orbits of symplectic leaves in the classical Grassmannian (Brown, Goodearl and Yakimov); and torus invariant prime ideals in the quantum Grassmannian (Launois, Lenagan and Rigal). The aim of this talk is to present some of these results and explore the reasons for this coincidence.
Series This talk is part of the Algebra and Representation Theory Seminar series.
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