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The lattice automorphisms of the dominance ordering
Authors:Rodica Simion
Institution:Department of Mathematics, Southern Illinois University, Carbondale, IL 62901, USA
Abstract:In this paper it is shown that the lattice Ln of partitions of n under the dominance ordering is totally asymmetric, except for the cases n = 6 and 7 where the automorphism group is Z2 × Z2. As a consequence, partition conjugation is the only antiautomorphism of Ln if n ≠ 6, 7.
Keywords:
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