Abstract:
We solve the isomorphism problem for nonnoetherian down-up algebras A(α, 0, γ) by lifting isomorphisms between some of their noncommutative quotients. The quotients we consider are either quantum polynomial algebras in two variables for γ = 0 or quantum versions of the Weyl algebra A1 for nonzero γ. In particular we obtain that no other down-up algebra is isomorphic to the monomial algebra A(0, 0, 0). We prove in the second part of the article that this is the only monomial algebra within the family of down-up algebras. Our method uses homological invariants that determine the shape of the possible quivers and we apply the abelianization functor to complete the proof. © 2017, Springer Science+Business Media B.V., part of Springer Nature.
Registro:
Documento: |
Artículo
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Título: | Isomorphisms of Nonnoetherian Down-Up Algebras |
Autor: | Chouhy, S.; Solotar, A. |
Filiación: | IMAS, UBA-CONICET, Consejo Nacional de Investigaciones Cientícas y Técnicas, Ciudad Universitaria, Pabellón I, Buenos Aires, 1428, Argentina Departamento de Matemática, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 1, Buenos Aires, 1428, Argentina
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Palabras clave: | Down-up algebra; Isomorphism; Monomial; Nonnoetherian; Set theory; Functors; Isomorphism; Isomorphism problems; Monomial; Non-commutative; Nonnoetherian; Polynomial algebra; Weyl algebra; Algebra |
Año: | 2018
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Volumen: | 21
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Número: | 6
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Página de inicio: | 1343
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Página de fin: | 1352
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DOI: |
http://dx.doi.org/10.1007/s10468-017-9749-1 |
Título revista: | Algebras and Representation Theory
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Título revista abreviado: | Algebr Represent Theory
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ISSN: | 1386923X
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_1386923X_v21_n6_p1343_Chouhy |
Referencias:
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Citas:
---------- APA ----------
Chouhy, S. & Solotar, A.
(2018)
. Isomorphisms of Nonnoetherian Down-Up Algebras. Algebras and Representation Theory, 21(6), 1343-1352.
http://dx.doi.org/10.1007/s10468-017-9749-1---------- CHICAGO ----------
Chouhy, S., Solotar, A.
"Isomorphisms of Nonnoetherian Down-Up Algebras"
. Algebras and Representation Theory 21, no. 6
(2018) : 1343-1352.
http://dx.doi.org/10.1007/s10468-017-9749-1---------- MLA ----------
Chouhy, S., Solotar, A.
"Isomorphisms of Nonnoetherian Down-Up Algebras"
. Algebras and Representation Theory, vol. 21, no. 6, 2018, pp. 1343-1352.
http://dx.doi.org/10.1007/s10468-017-9749-1---------- VANCOUVER ----------
Chouhy, S., Solotar, A. Isomorphisms of Nonnoetherian Down-Up Algebras. Algebr Represent Theory. 2018;21(6):1343-1352.
http://dx.doi.org/10.1007/s10468-017-9749-1