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math.QA2001
A review on deformation quantization of coadjoint orbits of semisimple Lie groups
R. Fioresi, M. A. Lledo
In this paper we make a review of the results obtained in previous works by the authors on deformation quantization of coadjoint orbits of semisimple Lie groups. We motivate the pr…
math.QA2001
Deformation Quantization of Non Regular Orbits of Compact Lie Groups
M. A. Lledo
In this paper we construct a deformation quantization of the algebra of polynomials of an arbitrary (regular and non regular) coadjoint orbit of a compact semisimple Lie group. The…
hep-th2001
On the Embedding of Space-Time Symmetries into Simple Superalgebras
R. D'Auria, S. Ferrara, M. A. Lledo
We explore the embedding of Spin groups of arbitrary dimension and signature into simple superalgebras in the case of extended supersymmetry. The R-symmetry, which generically is n…