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arxiv: 1709.10232 · v2 · pith:GN7B2PEKnew · submitted 2017-09-29 · 🧮 math.RT

Young wall model for A₂⁽²⁾-type adjoint crystals

classification 🧮 math.RT
keywords youngcrystalswallsadjointmodelreducedtypewall
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We construct a Young wall model for higher level $A_2^{(2)}$-type adjoint crystals. The Young walls and reduced Young walls are defined in connection with affin energy function. We prove that the affine crystal consisiting of reduced Young walls provides a realization of highest weight crystals $B(\lambda)$ and $B(\infty)$.

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