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A Distribution Function Arising in Computational Biology

2000/11/30 by Craig A. Tracy, Harold Widom
Mathematics · Biochemistry, Genetics and Molecular Biology · #math.CO #math.PR #q-bio.GN #msc:05A15 #msc:05A16 #msc:92D20

paper · pdf

published as in "MathPhys Odyssey 2001: Integrable Models and Beyond-In Honor of Barry M. McCoy, eds. M. Kashiwara and T. Miwa, Birkhauser Boston, 2002, pgs. 467-474. · 9 pages, no figures. Revised version makes minor changes

arxiv created 2001/06/15 · arxiv updated 2009/11/30

Abstract

Karlin and Altschul in their statistical analysis for multiple high-scoring segments in molecular sequences introduced a distribution function which gives the probability there are at least r distinct and consistently ordered segment pairs all with score at least x. For long sequences this distribution can be expressed in terms of the distribution of the length of the longest increasing subsequence in a random permutation. Within the past few years, this last quantity has been extensively studied in the mathematics literature. The purpose of these notes is to summarize these new mathematical developments in a form suitable for use in computational biology.

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