Non-intersecting paths, random tilings and random matrices |
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Authors: | Kurt Johansson |
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Institution: | (1) Department of Mathematics, Royal Institute of Technology, S-100 44 Stockholm, Sweden. e-mail: kurtj@math.kth.se, SE |
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Abstract: | We investigate certain measures induced by families of non-intersecting paths in domino tilings of the Aztec diamond, rhombus
tilings of an abc-hexagon, a dimer model on a cylindrical brick lattice and a growth model. The measures obtained, e.g. the
Krawtchouk and Hahn ensembles, have the same structure as the eigenvalue measures in random matrix theory like GUE, which
can in fact can be obtained from non-intersecting Brownian motions. The derivations of the measures are based on the Karlin-McGregor
or Lindstr?m-Gessel-Viennot method. We use the measures to show some asymptotic results for the models.
Received: 1 December 2000 / Revised version: 20 May 2001 / Published online: 17 May 2002 |
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