Abstract
For a simply connected, connected, semisimple complex algebraic group G, we define two geometric crystals on the \(\mathscr A\)-cluster variety of double Bruhat cell B −∩ Bw 0 B. These crystals are related by the ∗ duality. We define the graded Donaldson-Thomas correspondence as the crystal bijection between these crystals. We show that this correspondence is equal to the composition of the cluster chamber Ansatz, the inverse generalized geometric RSK-correspondence, and transposed twist map due to Berenstein and Zelevinsky.
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Acknowledgements
I thank Arkady Berenstein, Volker Genz and Bea Schumann for inspired and fruitful discussions, organizers of the MATRIX workshop, and especially Paul Zinn-Justin, and the RSF grant 16-11-10075 for financial support.
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Koshevoy, G. (2019). Cluster Decorated Geometric Crystals, Generalized Geometric RSK-Correspondences, and Donaldson-Thomas Transformations. In: de Gier, J., Praeger, C., Tao, T. (eds) 2017 MATRIX Annals. MATRIX Book Series, vol 2. Springer, Cham. https://doi.org/10.1007/978-3-030-04161-8_25
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DOI: https://doi.org/10.1007/978-3-030-04161-8_25
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