Mathematics – Combinatorics
Scientific paper
2009-06-30
Mathematics
Combinatorics
19 pages, 8 figures
Scientific paper
In this paper we derive polynomial time algorithms that generate random $k$-noncrossing matchings and $k$-noncrossing RNA structures with uniform probability. Our approach employs the bijection between $k$-noncrossing matchings and oscillating tableaux and the $P$-recursiveness of the cardinalities of $k$-noncrossing matchings. The main idea is to consider the tableaux sequences as paths of stochastic processes over shapes and to derive their transition probabilities.
Chen William Y. C.
Han Hillary S. W.
Reidys Christian M.
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