Asymptotic distribution theory for Haore’s selection algorithm

Asymptotic distribution theory for Haore’s selection algorithm

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Article ID: iaor1997311
Country: United Kingdom
Volume: 28
Issue: 1
Start Page Number: 252
End Page Number: 269
Publication Date: Mar 1996
Journal: Advances in Applied Probability
Authors: ,
Keywords: stochastic processes
Abstract:

The authors investigate the asymptotic behaviour of the distribution of the number of comparisons needed by a quicksort-style selection algorithm that finds te lth smallest in a set of n numbers. Letting n tend to infinity and considering the values l=1,...,n simulatneously they obtain a limiting stochastic process. This process admits various interpretations: it arises in connection with a representation of real numbers induced by nested random partitions and also in connection with expected path lengths of a random walk in a random environment on a binary tree.

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