Results 81 to 90 of about 211,771 (176)

The cycle enumerator of unimodal permutations [PDF]

open access: yesAnnals of Combinatorics 5 (2001), 493-500, 2001
We give a generating function for the number of unimodal permutations with a given cycle structure.
arxiv  

Integrability and combinatorics [PDF]

open access: yesarXiv
We discuss the use of methods coming from integrable systems to study problems of enumerative and algebraic combinatorics, and develop two examples: the enumeration of Alternating Sign Matrices and related combinatorial objects, and the theory of symmetric polynomials.
arxiv  

Polyhedral Combinatorics [PDF]

open access: green, 1991
William J. Cook, Paul Seymour
openalex   +1 more source

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