Explicit formulas for hook walks on continual Young diagrams

Details Explicit formulas for hook walks on continual Young diagrams Explicit formulas for hook walks on continual Young diagrams

2003-03-30

arxiv.org/abs/math/0303376v1

Mathematics

Probability

to appear in Adv. Appl. Math

Scientific paper

We consider, following the work of S. Kerov, random walks which are continuous-space generalizations of the Hook Walks defined by Greene-Nijenhuis-Wilf, performed under the graph of a continual Young diagram. The limiting point of these walks is a point on the graph of the diagram. We present several explicit formulas giving the probability densities of these limiting points in terms of the shape of the diagram. This partially resolves a conjecture of Kerov concerning an explicit formula for the so-called Markov transform. We also present two inverse formulas, reconstructing the shape of the diagram in terms of the densities of the limiting point of the walks. One of these two formulas can be interepreted as an inverse formula for the Markov transform. As a corollary, some new integration identities are derived.

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