Séminaire Lotharingien de Combinatoire, B13b (1986), 3 pp.
[Formerly: Publ. I.R.M.A. Strasbourg, 1986, 316/S-13, p. 77-81.]
Peter Paule
Über die Inversionsstatistiken von MacMahon und
Goulden-Jackson
Abstract.
We give a bijection which explains the relation between
MacMahon's inversion statistic for multiset permutations
and Goulden and Jackson's inversion statistic for
permutations with increasing blocks. This provides
a simple explanation for MacMahon's combinatorial
interpretation of the q-multinomial coefficient.
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