
We define geometric crystals and unipotent crystals for arbitrary Kac-Moody groups and describe geometric and unipotent crystal structures on the Schubert varieties.
25 pages
tropicalization, Infinite-dimensional Lie groups and their Lie algebras: general properties, Schubert varieties, Grassmannians, Schubert varieties, flag manifolds, Kac-Moody (super)algebras; extended affine Lie algebras; toroidal Lie algebras, ultra-discretization, Mathematics - Quantum Algebra, crystals, FOS: Mathematics, Quantum Algebra (math.QA), Kac-Moody groups, Representation Theory (math.RT), geometric crystals, Mathematics - Representation Theory
tropicalization, Infinite-dimensional Lie groups and their Lie algebras: general properties, Schubert varieties, Grassmannians, Schubert varieties, flag manifolds, Kac-Moody (super)algebras; extended affine Lie algebras; toroidal Lie algebras, ultra-discretization, Mathematics - Quantum Algebra, crystals, FOS: Mathematics, Quantum Algebra (math.QA), Kac-Moody groups, Representation Theory (math.RT), geometric crystals, Mathematics - Representation Theory
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