Finding cycle types in permutation groups with few generators
Abstract
The problem whether a given permutation group contains a permutation with a given cycle type is studied. This problem is known to be NP-complete. In this paper it is shown that the problem can be solved in logspace for a cyclic permutation group and that it is NP-complete for a 2-generated abelian permutation group. In addition it is shown that it is NP-complete whether a 2-generated abelian permutation group contains a fixpoint-free permutation.
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