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We show that any function in a Bergman space with exponential type weights admits a representation in terms of an infinite series of kernel functions.

Complex Variables · Mathematics 2015-09-01 Hicham Arroussi , Jordi Pau

In this article, we consider Bergman kernels related to modules at boundary points for singular hermitian metrics on holomorphic vector bundles, and obtain a log-subharmonicity property of the Bergman kernels. As applications, we obtain a…

Complex Variables · Mathematics 2023-05-11 Shijie Bao , Qi'an Guan

In this paper we consider a punctured Riemann surface endowed with a Hermitian metric which equals the Poincar\'e metric near the punctures and a holomorphic line bundle which polarizes the metric. We show that the Bergman kernel can be…

Differential Geometry · Mathematics 2021-04-08 Hugues Auvray , Xiaonan Ma , George Marinescu

The little q-Jacobi function transform depends on three parameters. An explicit expression as a sum of two very-well-poised 8W7-series is derived for the dual transmutation kernel (a kind of non-symmetric Poisson kernel) relating little…

Classical Analysis and ODEs · Mathematics 2007-05-23 Erik Koelink , Hjalmar Rosengren

In this paper, we construct complex metric structures on complex hypersurfaces in hyperkahler manifolds. This construction is that in contact geometry.

Differential Geometry · Mathematics 2015-11-04 Mitsuhiro Imada

In this present paper our aim is to deal with two integral transforms which involving the Gauss hypergeometric function as its kernels. We prove some compositions formulas for such a generalized fractional integrals with k Bessel function.…

Classical Analysis and ODEs · Mathematics 2016-12-13 G. Rahman , K. S. Nisar , S. Mubeen , M. Arshad

Let L be an ample holomorphic line bundle over a compact complex Hermitian manifold X. Any fixed smooth Hermitian metric on L induces a Hilbert space structure on the space of global holomorphic sections with values in the k:th tensor power…

Complex Variables · Mathematics 2007-05-23 Robert Berman

For the bi-orthogonal polynomials with the third degree polynomial potential functions, the 3 x 3 matrix Riemann-Hilbert problem is explicitly constructed. The developed approach admits an extension to the bi-orthogonal polynomials with…

Exactly Solvable and Integrable Systems · Physics 2008-11-26 Andrei A. Kapaev

We make explicit the geometric content of Mel'nikov's method for detecting heteroclinic points between transversally hyperbolic periodic orbits. After developing the general theory of intersections for pairs of family of Lagrangian…

Mathematical Physics · Physics 2009-11-11 Nicolas Roy

This paper has two main goals. First, we give a complete, explicit, and computable solution to the problem of when two simple closed curves on a surface are equivalent under the Johnson kernel. Second, we show that the Johnson filtration…

Geometric Topology · Mathematics 2014-08-12 Thomas Church

Given a graph and two integers $k$ and $\ell$, Partial Vertex Cover asks for a set of at most $k$ vertices whose deletion results in a graph with at most $\ell$ edges. Based on the expansion lemma, we provide a problem kernel with $(\ell +…

Data Structures and Algorithms · Computer Science 2022-11-15 Tomohiro Koana , André Nichterlein , Niklas Wünsche

Using the logarithmic capacity, we give quantitative estimates of the Green function, as well as lower bounds of the Bergman kernel for bounded pseudoconvex domains in $\mathbb C^n$ and the Bergman distance for bounded planar domains. In…

Complex Variables · Mathematics 2022-11-21 Bo-Yong Chen

We study the intersection theory of complex Lagrangian subvarieties inside holomorphic symplectic manifolds. In particular, we study their behaviour under Mukai flops and give a rigorous proof of the Pl\"ucker type formula for Legendre dual…

Algebraic Geometry · Mathematics 2020-08-18 Yalong Cao , Naichung Conan Leung

We consider the Szeg\H{o} reproducing kernel associated with the space of $H$-harmonic functions on the unit ball in n-dimensional space, i.e. functions that are characterized by being annihilated by the hyperbolic Laplacian. This paper…

Functional Analysis · Mathematics 2025-10-15 Matěj Moravík

Closed formulas in terms of double sums of Clebsch-Gordan coefficients are computed for the evaluation of bra-ket spherical harmonic overlap integrals of a wide class of trigonometric functions. These analytical expressions can find useful…

Mathematical Physics · Physics 2023-02-06 Giuseppe Lingetti , Paolo Pani

It is advocated that geometry of the interaction region of two heavy nuclei colliding at large impact parameters is important for the relative role of light-by-light scattering and QCD-initiated processes. Exclusive production of resonances…

Nuclear Theory · Physics 2019-06-26 I. M. Dremin

In the paper we consider the polyharmonic Bergman space for the union of the rotated unit Euclidean balls. Using so called zonal polyharmonics we derive the formulas for the kernel of this space. Moreover, we study the weighted polyharmonic…

Complex Variables · Mathematics 2019-12-05 Hubert Grzebuła

Under the assumption of positive multiplicity, we obtain basic estimates of the hypergeometric functions F\_\la and G\_\la of Heckman and Opdam, and sharp estimates of the particular functions F\_0 and G\_0. Next we prove the Paley-Wiener…

Classical Analysis and ODEs · Mathematics 2007-05-23 Bruno Schapira

We consider correlation functions of topologically twisted, $\mathcal{N}=2$ supersymmetric Yang-Mills theory with gauge group ${\rm SU}(2)$ and $N_f\leq 3$ massive hypermultiplets in the fundamental representation. For a smooth, compact,…

High Energy Physics - Theory · Physics 2026-02-25 Elias Furrer , Jan Manschot

We explore the relationship between the Bergman kernel of a Hartogs domain and weighted Bergman kernels over its base domain. In particular we develop a representation of the Bergman kernel of a Hartogs domain as a series involving weighted…

Complex Variables · Mathematics 2024-06-25 Blake J. Boudreaux