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J. Aczél, J. Baker, D.Ž. Djoković, Pl. Kannappan, and F. Radó, Extensions of certain homomorphisms of semigroups to homomorphisms of groups, Aequationes Math. 6 (1971), no. 2-3, 263–271.Search in Google Scholar
J.M. Almira and E.V. Shulman, On polynomial functions on non-commutative groups, J. Math. Anal. Appl. 458 (2018), no. 1, 875–888.Search in Google Scholar
A.H. Clifford and G.B. Preston, The Algebraic Theory of Semigroups. Vol. I, Mathematical Surveys, No. 7, American Mathematical Society, Providence, RI, 1961.Search in Google Scholar
D.Ž. Djoković, A representation theorem for (X1− 1)(X2− 1) · · · (Xn − 1) and its applications, Ann. Polon. Math. 22 (1969), no. 2, 189–198.Search in Google Scholar
M. Laczkovich, Polynomial mappings on Abelian groups, Aequationes Math. 68 (2004), no. 3, 177–199.Search in Google Scholar
A. Nagy, Special Classes of Semigroups, Adv. Math. (Dordr.), 1, Kluwer Academic Publishers, Dordrecht, 2001.Search in Google Scholar
E. Shulman, Each semipolynomial on a group is a polynomial, J. Math. Anal. Appl. 479 (2019), no. 1, 765–772.Search in Google Scholar
L. Székelyhidi, Convolution Type Functional Equations on Topological Abelian Groups, World Scientific Publishing Co., Inc., Teaneck, NJ, 1991.Search in Google Scholar
L. Székelyhidi, On the extension of exponential polynomials, Math. Bohem. 125 (2000), no. 3, 365–370.Search in Google Scholar
