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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 study the symplectic semi-characteristic of a closed 4n-dimensional symplectic manifold. First, using the even-degree part of the primitive cohomology, we define the symplectic semi-characteristic. Second, using a vector field with…

Symplectic Geometry · Mathematics 2026-05-28 Hao Zhuang

We provide a general method to construct examples of quasi-Sasakian 3-structures on a (4n+3)-dimensional manifold. Moreover, among this class, we give the first explicit example of a compact 3-quasi-Sasakian manifold which is not the global…

Differential Geometry · Mathematics 2015-11-12 Beniamino Cappelletti-Montano , Antonio De Nicola , Ivan Yudin

In this thesis, we introduce complex manifolds with local spectral gaps and study their asymptotic behavior using the scaling method. With these asymptotics, we obtain an asymptotic expansion for the Bergman kernel of a Hermitian…

Complex Variables · Mathematics 2025-08-04 Yi-Hsin Tsai

We give a simple geometrical picture of the basic structures of the covariant $Sp(2)$ symmetric quantization formalism -- triplectic quantization -- recently suggested by Batalin, Marnelius and Semikhatov. In particular, we show that the…

High Energy Physics - Theory · Physics 2009-10-28 A. Nersessian , P. H. Damgaard

We propose a matrix regularization of vector bundles over a general closed K\"ahler manifold. This matrix regularization is given as a natural generalization of the Berezin-Toeplitz quantization and gives a map from sections of a vector…

High Energy Physics - Theory · Physics 2023-01-11 Hiroyuki Adachi , Goro Ishiki , Satoshi Kanno

To a complex symplectic manifold X we associate a canonical quantization algebroid. Our construction is similar to that of Polesello-Schapira's deformation-quantization algebroid, but the deformation parameter is no longer central. If X is…

Algebraic Geometry · Mathematics 2010-08-27 Andrea D'Agnolo , Masaki Kashiwara

We give a simple geometric description of all formal deformation quantizations on a K\"ahler manifold $M$ which enjoy the following property of separation of variables into holomorphic and antiholomorphic ones. For each open subset…

High Energy Physics - Theory · Physics 2015-04-21 Karabegov Alexander

We introduce a synthetic approach to global pluripotential theory, covering in particular the case of a compact K\"ahler manifold and that of a projective Berkovich space over a non-Archimedean field. We define and study the space of…

Complex Variables · Mathematics 2023-07-06 Sebastien Boucksom , Mattias Jonsson

We consider generalizations of symplectic manifolds called n-plectic manifolds. A manifold is n-plectic if it is equipped with a closed, nondegenerate form of degree n+1. We show that higher structures arise on these manifolds which can be…

Mathematical Physics · Physics 2011-06-23 Christopher L. Rogers

Motivated by understanding the limiting case of a certain systolic inequality we study compact Riemannian manifolds having all harmonic 1-forms of constant length. We give complete characterizations as far as K\"ahler and hyperbolic…

Differential Geometry · Mathematics 2008-10-10 Paul-Andi Nagy

We prove that an integrable system over a symplectic manifold, whose symplectic form is covariantly constant w.r.t. the Gauss-Manin connection, carries a natural hyper-symplectic structure. Moreover, a special Kaehler structure is induced…

Differential Geometry · Mathematics 2009-11-10 C. Bartocci , I. Mencattini

We classify compact K\"ahler manifolds with semi-positive holomorphic bisectional and big tangent bundles. We also classify compact complex surfaces with semi-positive tangent bundles and compact complex $3$-folds of the form $P(T^*X)$…

Differential Geometry · Mathematics 2015-04-24 Xiaokui Yang

Hamiltonian quantization of an integral compact symplectic manifold M depends on a choice of compatible almost complex structure J. For open sets U in the set of compatible almost complex structures and small enough values of Planck's…

Symplectic Geometry · Mathematics 2015-06-26 T. Foth , A. Uribe

We study two quantization schemes for compact symplectic manifolds with almost complex structures. The first of these is the Spin-c quantization. We prove the analog of Kodaira vanishing for the Spin-c Dirac operator, which shows that the…

dg-ga · Mathematics 2008-02-03 David Borthwick , Alejandro Uribe

The aim of this paper is to classify compact, simply connected K\"ahler manifolds which admit J-invariant Killing tensor with two eigenvalues of multiplicity 2 and n-2 and with constant eigenvalue corresponding to 2-dimensional…

Differential Geometry · Mathematics 2017-12-19 Włodzimierz Jelonek

Terminalizations of symplectic quotients are sources of new deformation types of irreducible symplectic varieties. We classify all terminalizations of quotients of Hilbert schemes of K3 surfaces or of generalized Kummer varieties, by finite…

Algebraic Geometry · Mathematics 2026-05-27 Valeria Bertini , Annalisa Grossi , Mirko Mauri , Enrica Mazzon

Let K be a connected compact semisimple Lie group and Kc its complexification. The generalized Segal-Bargmann space for Kc, is a space of square-integrable holomorphic functions on Kc, with respect to a K-invariant heat kernel measure. This…

Mathematical Physics · Physics 2010-08-06 Brian C. Hall

We introduce a method to resolve a symplectic orbifold into a smooth symplectic manifold. Then we study how the formality and the Lefschetz property of the symplectic resolution are compared with that of the symplectic orbifold. We also…

Symplectic Geometry · Mathematics 2008-04-09 Gil Cavalcanti , Marisa Fernandez , Vicente Munoz

We introduce geometric quantization for constant rank presymplectic structures with Riemannian null foliation and compact leaf closure space. We prove a quantization-commutes-with-reduction theorem in this context. Examples related to…

Symplectic Geometry · Mathematics 2022-09-29 Yi Lin , Yiannis Loizides , Reyer Sjamaar , Yanli Song