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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

We analyse the `quantization commutes with reduction' problem (first studied in physics by Dirac, and known in the mathematical literature also as the Guillemin-Sternberg Conjecture) for the conjugate action of a compact connected Lie group…

Mathematical Physics · Physics 2018-12-03 Jord Boeijink , Klaas Landsman , Walter van Suijlekom

In this paper, we describe holomorphic quantizations of the cotangent bundle of a symmetric space of compact type $T^*(U/K)\cong U_\mathbb{C}/K_\mathbb{C}$, along Mabuchi rays of $U$-invariant K\"ahler structures. At infinite geodesic time,…

Symplectic Geometry · Mathematics 2024-05-01 Thomas Baier , Ana Cristina Ferreira , Joachim Hilgert , José M. Mourão , João P. Nunes

In this note we investigate the image of Sobolev spaces of fractional order on a compact Lie group $ K $ under the Segal-Bargmann transform. We show that the image can be characterised in terms of certain weighted Bergman spaces of…

Functional Analysis · Mathematics 2020-08-11 Sundaram Thangavelu

Let G/K be a Riemannian symmetric space of the complex type, meaning that G is complex semisimple and K is a compact real form. Now let {\Gamma} be a discrete subgroup of G that acts freely and cocompactly on G/K. We consider the…

Mathematical Physics · Physics 2012-09-05 Brian C. Hall , Jeffrey J. Mitchell

In this paper we use techniques of geometric quantization to give a geometric interpretation of the Peter--Weyl theorem. We present a novel approach to half-form corrected geometric quantization in a specific type of non-K\"ahler…

Symplectic Geometry · Mathematics 2023-01-27 Thomas Baier , Joachim Hilgert , Oğuzhan Kaya , José M. Mourão , João P. Nunes

We develop a new approach to geometric quantization using the theory of convergence of metric measure spaces. Given a family of K\"ahler polarizations converging to a non-singular real polarization on a prequantized symplectic manifold, we…

Differential Geometry · Mathematics 2023-05-03 Kota Hattori , Mayuko Yamashita

A natural one-parameter family of K\"ahler quantizations of the cotangent bundle $T^*K$ of a compact Lie group $K$, taking into account the half-form correction, was studied in \cite{FMMN}. In the present paper, it is shown that the…

Differential Geometry · Mathematics 2023-09-11 Carlos Florentino , Pedro Matias , Jose Mourao , Joao P. Nunes

We consider the generalized Segal-Bargmann transform C_t for a compact group K, introduced in B. C. Hall, J. Funct. Anal. 122 (1994), 103-151. Let K_C denote the complexification of K. We give a necessary-and-sufficient pointwise growth…

Mathematical Physics · Physics 2007-05-23 Brian C. Hall , Wicharn Lewkeeratiyutkul

For a symplectic toric manifold we consider half-form quantization in mixed polarizations $\mathcal{P}_\infty$, associated to the action of a subtorus $T^p\subset T^n$. The real directions in these polarizations are generated by components…

Symplectic Geometry · Mathematics 2025-03-05 José M. Mourão , João P. Nunes , Augusto Pereira , Dan Wang

In this paper, we study the analytic continuation to complex time of the Hamiltonian flow of certain $G\times T$-invariant functions on the cotangent bundle of a compact connected Lie group $G$ with maximal torus $T$. Namely, we will take…

Differential Geometry · Mathematics 2019-09-10 José M. Mourão , João P. Nunes , Miguel B. Pereira

Let $K$ be a simply connected compact Lie group and $T^{\ast}(K)$ its cotangent bundle. We consider the problem of "quantization commutes with reduction" for the adjoint action of $K$ on $T^{\ast}(K).$ We quantize both $T^{\ast}(K)$ and the…

Mathematical Physics · Physics 2019-10-22 Brian C. Hall , Benjamin D. Lewis

One introduces the notion of C*-algebra with polarization which could be considered as the quantum Kahler structure. The connection of these algebras with Kostant-Souriou geometric quantization is shown. The theory of polarized C*-algebra…

Mathematical Physics · Physics 2007-05-23 Anatol Odzijewicz

We introduce a new form of the Segal--Bargmann transform for a Lie group $K$ of compact type. We show that the heat kernel $(\rho_{t}(x))_{t>0,x\in K}$ has a space-time analytic continuation to a holomorphic function \[…

Functional Analysis · Mathematics 2019-06-03 Bruce Driver , Brian Hall , Todd Kemp

The phase space of a compact, irreducible, simply connected, Riemannian symmetric space admits a natural family of K\"ahler polarizations parametrized by the upper half plane $S$. Using this family, geometric quantization, including the…

Mathematical Physics · Physics 2017-06-28 Róbert Szőke

It is shown that the heat operator in the Hall coherent state transform for a compact Lie group $K$ is related with a Hermitian connection associated to a natural one-parameter family of complex structures on $T^*K$. The unitary parallel…

Differential Geometry · Mathematics 2023-09-11 Carlos Florentino , Pedro Matias , Jose Mourao , Joao P. Nunes

In this paper, we begin a quantization program for nilpotent orbits of a real semisimple Lie group. These orbits and their covers generalize the symplectic vector space. A complex structure polarizing the orbit and invariant under a maximal…

Symplectic Geometry · Mathematics 2016-09-07 Ranee Brylinski

In this paper, we study quantization on a compact integral symplectic manifold $X$ with transversal real polarizations. In the case of complex polarizations, namely $X$ is K\"ahler equipped with transversal complex polarizations $T^{1, 0}X,…

Symplectic Geometry · Mathematics 2021-04-13 Naichung Conan Leung , Yutung Yau

Quantization identifies the cotangent bundle of projective space with the (non-Hermitian) rank-$1$ projections of a Hilbert space. We use this identification to study the natural geometric structures of these cotangent bundles and those of…

Symplectic Geometry · Mathematics 2025-03-14 Joshua Lackman

The bundle map $T^*\hspace{-2pt}\operatorname{U}(n)\longrightarrow\operatorname{U}(n)$ provides a real polarization of the cotangent bundle $T^*\hspace{-2pt}\operatorname{U}(n)$, and yields the geometric quantization…

Symplectic Geometry · Mathematics 2023-04-03 Peter Crooks , Jonathan Weitsman
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