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Translation sets of permutations: Enumeration of selfcomplementary step-cycles

Translationsmengen von Permutationen: Abzählung von selbst-komplementären “step-cycles”

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Abstract

For given integern>2, there corresponds to each step-cycle a set of permutations, called a translation set. All the translation sets of permutations on the setS={1, 2, ...,n−1} form a set of equivalence classes on the set of all permutations onS. The selfcomplementary step-cycles are described and enumerated.

A more general introduction to translation sets may be found in [4] and [3].

Zusammenfassung

Für eine gegebene Zahln>2 gibt es zu jedem “step-cycle” eine Menge von Permutationen, genannt Translationsmenge. Alle diese Translationsmengen von Permutationen auf der MengeS={1, 2. ...,n−1} bilden eine Menge von Äquivalenzklassen auf der Menge aller Permutationen aufS. Die selbst-komplementären “step-cycles” werden beschrieben und abgezählt.

Bezüglich der Translationsmengen kann man in [4] und [3] eine allgemeinere Einführung finden.

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References

  1. Mossige, S.: Generation of permutations in lexicographical order. BITB 10 (1970).

  2. Mossige, S.: Step-cycle generation. Computing12, 269–272 (1974).

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  3. Mossige, S.: An algorithm for computation of translation invariant groups and the subgroup lattice. Computing12, 333–355 (1974).

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  4. Selmer, E. S.: Double periodic arrays, in: Computers in number theory (Atkin, A. O. L., Birch, B. J., eds.), pp. 339–346. Academic Press 1971.

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Mossige, S. Translation sets of permutations: Enumeration of selfcomplementary step-cycles. Computing 14, 149–152 (1975). https://doi.org/10.1007/BF02242313

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  • DOI: https://doi.org/10.1007/BF02242313

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