On the enumeration of d-minimal permutations

Details On the enumeration of d-minimal permutations On the enumeration of d-minimal permutations

2010-10-28

arxiv.org/abs/1010.5963v1

Mathematics

Combinatorics

Scientific paper

We suggest an approach for the enumeration of minimal permutations having d descents which uses skew Young tableaux. We succeed in finding a general expression for the number of such permutations in terms of (several) sums of determinants. We then generalize the class of skew Young tableaux under consideration; this allows in particular to discover some presumably new results concerning Eulerian numbers.

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