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Algebraic automorphisms and $PI$-algebras
Sbornik. Mathematics, Tome 26 (1975) no. 1, pp. 55-69 Cet article a éte moissonné depuis la source Math-Net.Ru

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This paper is concerned with associative algebras over a field of characteristic zero which possess a $d$-regular algebraic automorphism. (An automorphism is called $d$-regular if the subalgebra of fixed elements satisfies an identity of degree $d$.) It is shown that if an algebra admits a $d$-regular algebraic automorphism such that no root of unity is a multiple root of its minimum polynomial, then it is a $PI$-algebra. Bibliography: 8 titles. 
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     title = {Algebraic automorphisms and $PI$-algebras},
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V. E. Barbaumov. Algebraic automorphisms and $PI$-algebras. Sbornik. Mathematics, Tome 26 (1975) no. 1, pp. 55-69. http://geodesic.mathdoc.fr/item/SM_1975_26_1_a2/

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[3] V. E. Barbaumov, “Avtomorfizmy i $PI$-algebry”, Uspekhi matem. nauk, XXVIII:1 (169) (1973), 231–232 | MR

[4] V. E. Barbaumov, “Gruppy avtomorfizmov i $PI$-algebry”, Sib. matem. zh., XV (1975)

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[8] N. Dzhekobson, Stroenie kolets, IL, Moskva, 1961