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math.QA2017
Cluster algebras of finite type via a Coxeter element and Demazure Crystals of type A
Yuki Kanakubo, Toshiki Nakashima
Let be a simply connected simple algebraic group over , and be its two opposite Borel subgroups. For two elements , of the Weyl group , it is kn…
math.QA2017
Cluster algebras of finite type via a Coxeter element and Demazure Crystals of type B,C,D
Yuki Kanakubo
For a classical group and a Coxeter element of the Weyl group, it is known that the coordinate ring of the double Bruhat cell $G^{e,c^2}:=B\cap B_-c…