Ultra-discretization of the G^(1)₂-Geometric Crystals to the D^(3)₄-Perfect Crystals
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crystalsthetageometricperfecttypeultra-discretizationaffineaffirmative
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We obtain the affirmative answer to the conjecture in [15]. More precisely, let X be the affine geometric crystal of type G^(1)_2 in [15] and UD(X,T,\theta) a ultra-discretization of X with respect to a certain positive structure \theta. Then we show that UD(X,T,\theta) is isomorphic to the limit of coherent family of perfect crystals of type D^(3)_4 in [7].
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