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In this paper we discuss the highest weight $\frak k_r$-finite representations of the pair $(\frak g_r,\frak k_r)$ consisting of $\frak g_r$, a real form of a complex basic Lie superalgebra of classical type $\frak g$ (${\frak g}\neq…

Representation Theory · Mathematics 2020-02-17 C. Carmeli , R. Fioresi , V. S. Varadarajan

We construct Hermitian representations of Lie algebroids and associated unitary representations of Lie groupoids by a geometric quantization procedure. For this purpose we introduce a new notion of Hamiltonian Lie algebroid actions. The…

Symplectic Geometry · Mathematics 2015-06-26 Rogier Bos

In this expository paper we describe the theory of Harish-Chandra highest weight representations and their explicit geometric realizations.

Representation Theory · Mathematics 2022-08-31 R. Fioresi , V. S. Varadarajan

Let $G$ be a semisimple algebraic group over the complex numbers and $K$ be a connected reductive group mapping to $G$ so that the Lie algebra of $K$ gets identified with a symmetric subalgebra of $\mathfrak{g}$. So we can talk about…

Representation Theory · Mathematics 2025-09-08 Ivan Losev , Shilin Yu

The method of geometrical quantization of symplectic manifolds is applied to constructing infinite dimensional irreducible unitary representations of the algebra of functions on the compact quantum group $SU_q(2)$. A formulation of the…

High Energy Physics - Theory · Physics 2009-10-22 G. E. Arutyunov

We give conditions for unitarizability of Harish-Chandra super modules for Lie supergroups and superalgebras.

Representation Theory · Mathematics 2021-03-31 C. Carmeli , R. Fioresi , V. S. Varadarajan

We construct a quantization of the moduli space $\mathcal{GH}_\Lambda(S\times\mathbb{R})$ of maximal globally hyperbolic Lorentzian metrics on $S\times \mathbb{R}$ with constant sectional curvature $\Lambda$, for a punctured surface $S$.…

Mathematical Physics · Physics 2024-06-24 Hyun Kyu Kim , Carlos Scarinci

We consider a real Abelian Lie supergroup $G$ acting on its complexification $M$, equipped with a $G$-invariant super K\"ahler form. We extend the scheme of classical geometric quantization to this setting and construct a unitary…

Differential Geometry · Mathematics 2024-08-27 Meng-Kiat Chuah , Fabio Gavarini

In this series of papers we want to discuss the highest weight ${\frak k}_r$-finite representations of the pair $({\frak g}_r,{\frak k}_r)$ consisting of ${\frak g}_r$, a real form of a complex basic Lie superalgebra of classical type…

Representation Theory · Mathematics 2018-09-07 C. Carmeli , R. Fioresi , V. S. Varadarajan

In this paper we classify the irreducible Harish-Chandra bimodules with full support over filtered quantizations of conical symplectic singularities under the condition that none of the slices to codimension 2 symplectic leaves has type…

Representation Theory · Mathematics 2020-07-17 Ivan Losev

By decomposing the regular representation of a particular (Heisenberg-like) Lie supergroup into irreducible subspaces, we show that not all of them can be obtained by applying geometric quantization to coadjoint orbits with an even…

Mathematical Physics · Physics 2010-10-04 Gijs M. Tuynman

Let $L(\lambda)$ be a highest weight Harish-Chandra module with highest weight $\lambda$. When the associated variety of $L(\lambda)$ is not maximal, that is, not equal to the nilradical of the corresponding parabolic subalgebra, we prove…

Representation Theory · Mathematics 2024-09-26 Zhanqiang Bai , Markus Hunziker

In this manuscript we make a general study of the representations realized, for a reductive Lie group of Harish-Chandra class, on the compactly supported sheaf cohomology groups of an irreducible finite-rank polarized homogeneous vector…

Representation Theory · Mathematics 2008-04-03 Tim Bratten

Let $G$ be a semisimple Lie group with finite component group, and let $K<G$ be a maximal compact subgroup. We obtain a quantisation commutes with reduction result for actions by $G$ on manifolds of the form $M = G\times_K N$, where $N$ is…

Symplectic Geometry · Mathematics 2015-04-10 Peter Hochs

We examine from an algebraic point of view some families of unitary group representations that arise in mathematical physics and are associated to contraction families of Lie groups. The contraction families of groups relate different real…

Representation Theory · Mathematics 2017-09-12 Joseph Bernstein , Nigel Higson , Eyal Subag

The purpose of this paper is to apply deformation quantization to the study of the coadjoint orbit method in the case of real reductive groups. We first prove some general results on the existence of equivariant deformation quantization of…

Representation Theory · Mathematics 2018-09-25 Naichung Conan Leung , Shilin Yu

Let $ (G,K) $ be an irreducible Hermitian symmetric pair of non-compact type with $G=SU(p,q)$, and let $ \lambda $ be an integral weight such that the simple highest weight module $ L(\lambda) $ is a Harish-Chandra $ (\mathfrak{g},K)…

Representation Theory · Mathematics 2018-05-02 Zhanqiang Bai , Xun Xie

Let $G$ be a Hermitian type Lie group with maximal compact subgroup $K$. Let $L(\lambda)$ be a highest weight Harish-Chandra module of $G$ with the infinitesimal character $\lambda$. By using some combinatorial algorithm, we obtain a…

Representation Theory · Mathematics 2024-08-16 Zhanqiang Bai , Jing Jiang

Let $M$ be a compact K\"ahler manifold equipped with a pre-quantum line bundle $L$. In [9], using $T$-symmetry, we constructed a polarization $\mathcal{P}_{\mathrm{mix}}$ on $M$, which generalizes real polarizations on toric manifolds. In…

Symplectic Geometry · Mathematics 2023-01-04 Naichung Conan Leung , Dan Wang

For a connected reductive group $G$ and an affine smooth $G$-variety $X$ over the complex numbers, the localization functor takes $\mathfrak{g}$-modules to $D_X$-modules. We extend this construction to an equivariant and derived setting…

Representation Theory · Mathematics 2024-10-18 Wen-Wei Li
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