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Epsilon systems of geometric crystals

Nakashima, T (Sophia)
Tuesday 31 March 2009, 10:15-11:00



An epsilon system is a set of rational functions on a geometric crystal, by definition, which satis es certain relations and conditions for the actions of the geometric crystal operators. We shall introduce their basic properties, e.g., product structures and invariance for tropical R-maps, and see some application and observation.


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