N. L. Ackerman, A characterization of quasitrivial n-semigroups

A. A. Bulatov, Conservative constraint satisfaction re-revisited, Journal of Computer and System Sciences, vol.82, issue.2, pp.347-356, 2016.

M. Couceiro, J. Devillet, and J. Marichal, Quasitrivial semigroups: characterizations and enumerations, Semigroup Forum, vol.98, issue.3, pp.472-498, 2019.
URL : https://hal.archives-ouvertes.fr/hal-01826868

W. Dörnte, Untersuchungenüber einen verallgemeinerten Gruppenbegriff, Math. Z, vol.29, pp.1-19, 1928.

W. A. Dudek and V. V. Mukhin, On n-ary semigroups with adjoint neutral element, Quasigroups and Related Systems, vol.14, pp.163-168, 2006.

J. Devillet, G. Kiss, and J. Marichal, Characterizations of quasitrivial symmetric nondecreasing associative operations, Semigroup Forum, vol.98, pp.154-171, 2019.

G. Kiss and G. Somlai, Associative idempotent nondecreasing functions are reducible, Semigroup Forum, vol.98, pp.140-153, 2019.

D. H. Krantz, R. D. Luce, P. Suppes, and A. Tverskyand, Foundations of measurement, vol.1, 1971.

H. Länger, The free algebra in the variety generated by quasi-trivial semigroups, Semigroup Forum, vol.20, pp.151-156, 1980.

E. L. Post, Polyadic groups, Trans. Amer. Math. Soc, vol.48, pp.208-350, 1940.

M. Pouzet, I. G. Rosenberg, and M. G. Stone, A projection property. Algebra Universalis, vol.36, pp.159-184, 1996.

, The On-Line Encyclopedia of Integer Sequences

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