Polyhedral Realizations of Crystal Bases and Braid-type Isomorphisms
Polyhedral Realizations of Crystal Bases and Braid-type Isomorphisms
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晶基和编织型同构的多面体实现
DOI:
10.1090/conm/248/03834
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发表时间:
1999
期刊:
影响因子:
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通讯作者:
Toshiki Nakashima
中科院分区:
文献类型:
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作者:
Toshiki Nakashima
We review the polyhedral realizations of crystal bases in the former half and in the latter half, we introduce braid-type isomorphisms for some rank 2 finite type crystals. Using this isomorphisms, for semi-simple Lie algebra we can show that polyhedral realizations can be obtained in the lattice of finite rank which coincides with the length of the longest element in the associated Weyl group.