On Extensions of Conformal Representations of Orthogonal Lie Algebras

Cuiling Luo

Chinese Annals of Mathematics, Series B ›› 2026, Vol. 47 ›› Issue (5) : 871 -898.

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Chinese Annals of Mathematics, Series B ›› 2026, Vol. 47 ›› Issue (5) :871 -898. DOI: 10.1007/s11401-026-0040-9
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On Extensions of Conformal Representations of Orthogonal Lie Algebras
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Abstract

By using Shen’s technique of mixed product, Xu and Zhao constructed an inhomogeneous representation on the tensor space of any finite-dimensional irreducible o(n)-module with the polynomial space, and found a sufficient condition for this representation to be irreducible. In this paper, the author gives a sufficient and necessary condition for the irreducibility of this representation. Note that the Laplace operator and partial differential operators play important roles in the proof.

Keywords

Irreducibility / Polynomial space / Laplace operator / Orthogonal Lie algebra / 17B10

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Cuiling Luo. On Extensions of Conformal Representations of Orthogonal Lie Algebras. Chinese Annals of Mathematics, Series B, 2026, 47 (5) : 871-898 DOI:10.1007/s11401-026-0040-9

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