Articoli correlati a Generalizations of Two-stack-sortable Permutations

Generalizations of Two-stack-sortable Permutations - Brossura

Xu, Dapeng

 
9783838306216: Generalizations of Two-stack-sortable Permutations

Sinossi

This is a dissertation presented to the faculty of department of mathematics, Brandeis University, in partial fulfillment of the requirements for the degree Doctor of Philosophy. In this thesis, we apply the stack sorting operator to r-permutations and construct the functional equation for the generating function of two-stack-sortable permutations counted by descents by using a factorization similar to Zeilberger's. We solve the functional equation and give explicit formulas for the number of two-stack-sortable permutations.

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L'autore

earned his Bachelor degree from Peking University in China and later Ph.D. degree in mathematics from Brandeis University in the United States.

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