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The Invariant Two-Parameter Function of Algebras ψ

Identificadores del recurso

Escobar, J. M., Núñez-Valdés, J., & Pérez-Fernández, P. (2019). The Invariant Two-Parameter Function of Algebras ψ. Mathematical and Computational Applications, 24(4), 89.

http://hdl.handle.net/10481/58913

10.3390/mca24040089

Procedència

(Ilíberis: fondo bibliográfico histórico de la Universidad de Granada)

Fitxa

Títol:: The Invariant Two-Parameter Function of Algebras ψ
Tema:: Invariant functions; Contractions of algebras; Lie algebras; Malcev algebras; Heisenberg algebras
Descripció:: At present, the research on invariant functions for algebras is very extended since Hrivnák and Novotný defined in 2007 the invariant functions y and j as a tool to study the Inönü–Wigner contractions (IW-contractions), previously introduced by those authors in 1953. In this paper, we introduce a new invariant two-parameter function of algebras, which we call ¯y, as a tool which makes easier the computations and allows researchers to deal with contractions of algebras. Our study of this new function is mainly focused in Malcev algebras of the type Lie, although it can also be used with any other types of algebras. The main goal of the paper is to prove, by means of this function, that the five-dimensional classical-mechanical model built upon certain types of five-dimensional Lie algebras cannot be obtained as a limit process of a quantum-mechanical model based on a fifth Heisenberg algebra. As an example of other applications of the new function obtained, its computation in the case of the Lie algebra induced by the Lorentz group SO(3, 1) is shown and some open physical problems related to contractions are also formulated.; This research was funded by the Spanish Ministerio de Ciencia e Innovación and Junta de Andalucía via grants No. MTM2013-40455-P and No. FQM-326 (J.N.-V.) and No. FQM-160 (P.P.-F.).
Idioma:: English
Autor/Productor:: Escobar, José María; Núñez-Valdés, Juan; Pérez Fernández, Pedro
Editor:: MDPI
Drets:: Atribución 3.0 España; http://creativecommons.org/licenses/by/3.0/es/; info:eu-repo/semantics/openAccess
Data:: 2020-01-20T08:34:35Z; 2019-10-14
Tipo de recurso:: info:eu-repo/semantics/article

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1. <dc:title>The Invariant Two-Parameter Function of Algebras ψ</dc:title>
2. <dc:creator>Escobar, José María</dc:creator>
3. <dc:creator>Núñez-Valdés, Juan</dc:creator>
4. <dc:creator>Pérez Fernández, Pedro</dc:creator>
5. <dc:subject>Invariant functions</dc:subject>
6. <dc:subject>Contractions of algebras</dc:subject>
7. <dc:subject>Lie algebras</dc:subject>
8. <dc:subject>Malcev algebras</dc:subject>
9. <dc:subject>Heisenberg algebras</dc:subject>
10. <dc:description>At present, the research on invariant functions for algebras is very extended since Hrivnák and Novotný defined in 2007 the invariant functions y and j as a tool to study the Inönü–Wigner contractions (IW-contractions), previously introduced by those authors in 1953. In this paper, we introduce a new invariant two-parameter function of algebras, which we call ¯y, as a tool which makes easier the computations and allows researchers to deal with contractions of algebras. Our study of this new function is mainly focused in Malcev algebras of the type Lie, although it can also be used with any other types of algebras. The main goal of the paper is to prove, by means of this function, that the five-dimensional classical-mechanical model built upon certain types of five-dimensional Lie algebras cannot be obtained as a limit process of a quantum-mechanical model based on a fifth Heisenberg algebra. As an example of other applications of the new function obtained, its computation in the case of the Lie algebra induced by the Lorentz group SO(3, 1) is shown and some open physical problems related to contractions are also formulated.</dc:description>
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