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As for any symmetric space the tangent space to Siegel upper-half space is endowed with an operation coming from the Lie bracket on the Lie algebra. We consider the pull-back of this operation to the moduli space of curves via the Torelli…

代数几何 · 数学 2021-02-10 Alessandro Ghigi , Carolina Tamborini

In this paper we investigate and compare different gradient algorithms designed for the domain expression of the shape derivative. Our main focus is to examine the usefulness of kernel reproducing Hilbert spaces for PDE constrained shape…

最优化与控制 · 数学 2016-04-20 Martin Eigel , Kevin Sturm

In this paper, we give some results concerning atomic decompositions for operators on reproducing kernel Hilbert spaces, using frame theory techniques. We provide also generalizations for atomic decompositions of some theorems for…

泛函分析 · 数学 2014-02-03 Laura Gavruta

Bregman divergences play a pivotal role in statistics, machine learning and computational information geometry. Particularly in the context of machine learning, they are central to clustering, exponential families, parameter estimation and…

机器学习 · 计算机科学 2026-04-28 Russell Tsuchida , Frank Nielsen

Given a reproducing kernel Hilbert space H of real-valued functions and a suitable measure mu over the source space D (subset of R), we decompose H as the sum of a subspace of centered functions for mu and its orthogonal in H. This…

机器学习 · 统计学 2012-12-10 Nicolas Durrande , David Ginsbourger , Olivier Roustant , Laurent Carraro

We first prove a Cauchy's integral theorem and Cauchy type formula for certain inhomogeneous Cimmino system from quaternionic analysis perspective. The second part of the paper directs the attention towards some applications of the…

Off-diagonal upper bounds are established away from the diagonal for the Bergman kernels associated to high powers of holomorphic line bundles over compact complex manifolds, asymptotically as the power tends to infinity. The line bundle is…

复变函数 · 数学 2013-08-02 Michael Christ

We study the complex symmetric structure of weighted composition--differentiation operators of order $n $ on the weighted Bergman spaces $A_{\alpha}^2$ with respect to some conjugations. Then we provide some examples of these operators.

泛函分析 · 数学 2021-01-14 Mahbube Moradi , Mahsa Fatehi

Let $\Omega\subset \mathbb{C}$ be an arbitrary domain in the one-dimensional complex plane equipped with a positive Radon measure $\mu$. For any $1\le p< \infty$, it is shown that the weighted Bergman space $A^p(\Omega, \mu)$ of holomorphic…

泛函分析 · 数学 2021-11-16 Yong Han , Yanqi Qiu , Zipeng Wang

This note characterizes multiplicative linear functionals on reproducing kernel Hilbert spaces of functions on the Euclidean unit ball in complex d-dimensional space, in terms of their action on kernel functions. The kernels considered are…

泛函分析 · 数学 2026-05-22 Tirthankar Bhattacharyya , Jaikishan , Poornendu Kumar

We make use of the Bergman kernel function to study quadrature domains for square-integrable holomorphic functions of several variables. Emphasis is given to generalizing biholomorphic mapping properties of planar quadrature domains to the…

复变函数 · 数学 2016-10-25 Alan R. Legg

We study the boundedness of composition operators on the bidisk using reproducing kernels. We show that a composition operator is bounded on the Hardy space of the bidisk if some associated function is a positive kernel. This positivity…

复变函数 · 数学 2018-07-02 Cheng Chu

In this paper we study the variation diminishing kernel as a part of the $q$-calculus. We introduce the $q$-Macdonald function a newborne in the family of the $q$-special functions which play a central role in this study.

量子代数 · 数学 2020-05-01 Lazhar Dhaouadi , Saidani Islem , Hedi Elmonser

We solved the problem of the best rational approximation of the Bergman kernels on the unit circle of the complex plane in the quadratic and uniform metrics.

复变函数 · 数学 2017-11-16 Stanislav Chaichenko

In $\mathbb R^d$, it is well-known that cumulants provide an alternative to moments that can achieve the same goals with numerous benefits such as lower variance estimators. In this paper we extend cumulants to reproducing kernel Hilbert…

机器学习 · 统计学 2023-10-31 Patric Bonnier , Harald Oberhauser , Zoltán Szabó

We prove the asymptotic of the logarithmic Bergman kernel. And as an application, we calculate the conditional expectation of density of zeros of Gaussian random sections of powers of a positive line bundle that vanish along a fixed smooth…

复变函数 · 数学 2019-12-24 Jingzhou Sun

We prove two new equivalences of the Feichtinger conjecture that involve reproducing kernel Hilbert spaces. We prove that if for every Hilbert space, contractively contained in the Hardy space, each Bessel sequence of normalized kernel…

泛函分析 · 数学 2010-12-07 Sneh Lata , Vern I. Paulsen

In this paper, we study weighted composition operators on Bergman spaces of analytic functions which are square integrable on polydisk. We develop the study in full generality, meaning that the corresponding weighted composition operators…

复变函数 · 数学 2022-09-13 Pham Viet Hai

In this paper, we introduce the quaternionic slice polyanalytic functions and we prove some of their properties. Then, we apply the obtained results to begin the study of the quaternionic Fock and Bergman spaces in this new setting. In…

复变函数 · 数学 2021-03-16 Daniel Alpay , Kamal Diki , Irene Sabadini

In this paper we investigate the reproducing kernel Hilbert space where the polylogarithm appears as kernel functions. This investigation begins with the properties of functions in this space, and here a connection to the classical Hardy…

泛函分析 · 数学 2015-03-06 Joel A. Rosenfeld