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arxiv: 1606.06804 · v2 · pith:OR52T4QInew · submitted 2016-06-22 · 🧮 math.RT · math.CO· math.QA

A crystal embedding into Lusztig data of type A

classification 🧮 math.RT math.COmath.QA
keywords datalusztigadaptedcrystalembeddingreducedsinglesink
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Let $i$ be a reduced expression of the longest element in the Weyl group of type $A$, which is adapted to a Dynkin quiver with a single sink. We present a simple description of the crystal embedding of Young tableaux of arbitrary shape into $i$-Lusztig data, which also gives an algorithm for the transition matrix between Lusztig data associated to reduced expressions adapted to quivers with a single sink.

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