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Published online: 2009-12-23
Mini-Workshop: Non-Negativity is a Quantum PhenomenonStéphane Launois and Thomas H. Lenagan (1) University of Kent, Canterbury, Kent, UK
(2) University of Edinburgh, United Kingdom
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 meeting was to explore the reasons for this coincidence in matrices and the grassmannian in particular, and to explore similar ideas in more general settings.
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Launois Stéphane, Lenagan Thomas: Mini-Workshop: Non-Negativity is a Quantum Phenomenon. Oberwolfach Rep. 6 (2009), 767-800. doi: 10.4171/OWR/2009/14