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Inverse elements and their average number in a finite symmetric semigroup

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References

  1. Abramowitz, M., Stegun, I.,Handbook of Mathematical Functions, New York, 1965.

  2. Dénes, J.,On a generalization of permutations.Some properties of transformations, Permutations. Actes du colloque. Paris, Juillet, 1972, 117–120.

  3. Dénes, J.,Transformations and transformation semigroups, (to appear).

  4. Kim (Butler), K. H.,Combinatorial properties of binary semigroups, Periodica Math. Hungarica 5 (1974), 3–46.

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Authors and Affiliations

  1. Faculty of Mathematics, Blvd. A. Ivanov 5, 1126, Sofia, Bulgaria

    K. Todorov

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  1. K. Todorov
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Communicated by B. M. Schein

Dedicated to Professor V. V. Vagner on his 70th birthday

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Todorov, K. Inverse elements and their average number in a finite symmetric semigroup. Semigroup Forum 18, 279–281 (1979). https://doi.org/10.1007/BF02574191

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  • DOI: https://doi.org/10.1007/BF02574191

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