Houdré, Christian
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		The Electronic Journal of Combinatorics Volume 17 (2010) - Research Papers
A Probabilistic Approach to the Asymptotics of the Length of the Longest Alternating Subsequence
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		The Electronic Journal of Combinatorics Volume 25, Issue 2 (2018) - Papers
A Note on the Expected Length of the Longest Common Subsequences of two i.i.d. Random Permutations
Abstract PDF source files final version pdf Official Source