Abstract
We introduce the notion of an ∞-quasivariety and characterize ∞-quasivarieties as classes closed with respect to certain operators.
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References
A. G. Pinus, “Geometric Scales For Varieties of Algebraic Quasi-Identities,” Matem. Trudy 12(2), 160–169.
V. A. Gorbunov, Algebraic Theory of Quasivarieties (Nauchnaya Kniga, Novosibirsk, 1999) [in Russian].
A. G. Pinus, “On Geometrically Complete Varieties,” Vestn. Novosibirsk. Univ. (in press).
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Original Russian Text © A.G. Pinus, 2011, published in Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika, 2011, No. 8, pp. 40–45.
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Pinus, A.G. On ∞-quasivarieties. Russ Math. 55, 33–37 (2011). https://doi.org/10.3103/S1066369X11080068
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DOI: https://doi.org/10.3103/S1066369X11080068