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Keywords = Heisenberg parabolic subgroups

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19 pages, 536 KiB  
Article
Heisenberg Parabolic Subgroup of SO(10) and Invariant Differential Operators
by V. K. Dobrev
Symmetry 2022, 14(8), 1592; https://doi.org/10.3390/sym14081592 - 3 Aug 2022
Cited by 1 | Viewed by 1479
Abstract
In the present paper we continue the project of systematic construction of invariant differential operators on the example of the non-compact algebra so(10). We use the maximal Heisenberg parabolic subalgebra P=MAN [...] Read more.
In the present paper we continue the project of systematic construction of invariant differential operators on the example of the non-compact algebra so(10). We use the maximal Heisenberg parabolic subalgebra P=MAN with M=su(3,1)su(2)so(6)so(3). We give the main and the reduced multiplets of indecomposable elementary representations. This includes the explicit parametrization of the intertwining differential operators between the ERS. Due to the recently established parabolic relations the multiplet classification results are valid also for the algebras so(p,q) (with p+q=10, pq2) with maximal Heisenberg parabolic subalgebra: P=MAN, M=so(p2,q2)sl(2,IR), MCMC. Full article
(This article belongs to the Section Physics)
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12 pages, 434 KiB  
Article
Heisenberg Parabolic Subgroups of Exceptional Non-Compact G2(2) and Invariant Differential Operators
by V.K. Dobrev
Symmetry 2022, 14(4), 660; https://doi.org/10.3390/sym14040660 - 24 Mar 2022
Cited by 1 | Viewed by 2060
Abstract
In the present paper we continue the project of systematic construction of invariant differential operators on the example of the non-compact algebra G2(2). We use both the minimal and the maximal Heisenberg parabolic subalgebras. We give the main [...] Read more.
In the present paper we continue the project of systematic construction of invariant differential operators on the example of the non-compact algebra G2(2). We use both the minimal and the maximal Heisenberg parabolic subalgebras. We give the main multiplets of indecomposable elementary representations. This includes the explicit parametrization of the intertwining differential operators between the ERs. These are new results applicable in all cases when one would like to use G2(2) invariant differential operators. Full article
(This article belongs to the Special Issue Manifest and Hidden Symmetries in Field and String Theories)
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