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New edge asymptotics of skew Young diagrams via free boundaries

Abstract : We study edge asymptotics of poissonized Plancherel-type measures on skew Young diagrams (integer partitions). These measures can be seen as generalizations of those studied by Baik-Deift-Johansson and Baik-Rains in resolving Ulam's problem on longest increasing subsequences of random permutations and the last passage percolation (corner growth) discrete versions thereof. Moreover they interpolate between said measures and the uniform measure on partitions. In the new KPZ-like 1/3 exponent edge scaling limit with logarithmic corrections, we find new probability distributions generalizing the classical Tracy-Widom GUE, GOE and GSE distributions from the theory of random matrices.
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Submitted on : Tuesday, March 12, 2019 - 6:33:53 PM
Last modification on : Wednesday, January 26, 2022 - 3:36:57 AM
Long-term archiving on: : Thursday, June 13, 2019 - 2:16:40 PM


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  • HAL Id : hal-02049722, version 1
  • ARXIV : 1902.08750


Dan Betea, Jérémie Bouttier, Peter Nejjar, Mirjana Vuletić. New edge asymptotics of skew Young diagrams via free boundaries. 31st International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2019), Jul 2019, Ljubljana, Slovenia. ⟨hal-02049722⟩



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