A combinatorial proof of symmetry among minimal star factorizations

Details A combinatorial proof of symmetry among minimal star factorizations A combinatorial proof of symmetry among minimal star factorizations

2011-09-21

arxiv.org/abs/1109.4642v1

Mathematics

Combinatorics

Scientific paper

The number of minimal transitive star factorizations of a permutation was shown by Irving and Rattan to depend only on the conjugacy class of the permutation, a surprising result given that the pivot plays a very particular role in such factorizations. Here, we explain this symmetry and provide a bijection between minimal transitive star factorizations of a permutation \pi having pivot k and those having pivot k'.

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