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Differential Equations & Applications
Article . 2022 . Peer-reviewed
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zbMATH Open
Article . 2022
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p-deformation

\(p\)-deformation
Authors: Hilger, Stefan;
Abstract

Summary: In this article we introduce the so called \(p\)-deformed algebra \(\mathcal{V}\). The notion of \(p\)-deformation is connected to the well-known \(q\)-deformation by the simple relation \(p = \frac{q^2+q^{-2}}{2}\). Thus the \(p\)-deformed algebra \(\mathcal{V}\) will have representations in terms of \(q\)-difference operators. There are isomorphisms of \(\mathcal{V}\) to the \(q\)-deformed Weyl algebra \(\mathcal{W}\) and to the well known algebra \(\mathcal{U} = \mathcal{U}_q\), the \(q\)-deformation of the universal enveloping algebra \(U_q(\mathfrak{sl}(2))\), extended by an involution. It turns out that the presentation of the \(p\)-deformed algebra \(\mathcal{V}\) is more symmetric than the ones of its \(q\) counterparts. Especially the limit \(p\to\pm1\) can be performed in a direct and quite consistent manner. For \(p^2 = 1\) the \(p\)-deformed algebra contains copies of the classical Weyl algebra, the Lie superalgebra \(\mathfrak{osp}(1|2)\) and the Lie algebra \(\mathfrak{sl}(2)\). Finally we will see that the \(p\)-deformed algebra \(\mathcal{V}\) contains a ``squared copy'' of itself.

Keywords

Universal enveloping algebras of Lie algebras, Difference equations, scaling (\(q\)-differences), deformation, universal enveloping algebras of Lie (super)algebras, \(q\)-difference operators, Quantum groups (quantized enveloping algebras) and related deformations, quantum group, Universal enveloping (super)algebras

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average