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We obtain an asymptotic expansion and some regularity results for the Bergman kernel on the intersection of two balls in C^2.

Complex Variables · Mathematics 2007-05-23 David E. Barrett , Sophia Vassiliadou

We give a H\"ormander-type localization principle for the Szeg\"o kernel $S_\Omega(z)$. We also show that for each boundary point $z_0$, $S_\Omega(z)\gtrsim|z-z_0|^{-\frac{1}{3}}$ holds non-tangentially for any bounded pseudoconvex domain…

Complex Variables · Mathematics 2022-03-14 Jujie Wu , Xu Xing

A streamlined proof that the Bergman kernel associated to a quadrature domain in the plane must be algebraic will be given. A byproduct of the proof will be that the Bergman kernel is a rational function of z and one other explicit function…

Complex Variables · Mathematics 2007-05-23 Steven R. Bell

We introduce a notion of a connection on a coherent sheaf on a weighted projective line (in the sense of Geigle and Lenzing). Using a theorem of Huebner and Lenzing we show, under a mild hypothesis, that if one considers coherent sheaves…

Algebraic Geometry · Mathematics 2009-04-23 William Crawley-Boevey

More precise estimates for the Bergman metric on strongly pseudoconvex domains are given, based on the use of the squeezing function.

Complex Variables · Mathematics 2015-04-23 Klas Diederich , J. E. Fornæss

We discuss various phenomena of tangency in projective and convex geometry.

Algebraic Geometry · Mathematics 2011-03-07 Roland Abuaf

We~identify the standard weighted Bergman kernels of spaces of nearly holomorphic functions, in~the sense of Shimura, on~bounded symmetric domains. This also yields a description of the analogous kernels for spaces of…

Complex Variables · Mathematics 2023-03-07 Miroslav Engliš , El-Hassan Youssfi , Genkai Zhang

In this paper we consider the reproducing kernel thesis for boundedness and compactness for various operators on Bergman-type spaces. In particular, the results in this paper apply to the weighted Bergman space on the unit ball, the unit…

Complex Variables · Mathematics 2018-02-09 Mishko Mitkovski , Brett D. Wick

We establish Szeg\H{o} kernel asymptotic expansions on non-compact strictly pseudoconvex complete CR manifolds with transversal CR $\mathbb{R}$-action under certain natural geometric conditions.

Complex Variables · Mathematics 2023-03-14 Chin-Yu Hsiao , George Marinescu , Huan Wang

We obtain a quantitative estimate of Bergman distance when $\Omega \subset \mathbb{C}^n$ is a bounded domain with log-hyperconvexity index $\alpha_l(\Omega)>\frac{n-1+\sqrt{(n-1)(n+3)}}{2}$, as well as the $A^2(\log A)^q$-integrability of…

Complex Variables · Mathematics 2022-09-23 Bo-Yong Chen , Zhiyuan Zheng

Let G be a bounded Jordan domain in the complex plane with piecewise analytic boundary. We present theoretical estimates and numerical evidence for certain phenomena, regarding the application of the Bergman kernel method with algebraic and…

Numerical Analysis · Mathematics 2011-01-04 M. Lytrides , N. Stylianopoulos

The mirror theorem is generalized to any smooth projective variety X. That is, a fundamental relation between the Gromov-Witten invariants of X and Gromov-Witten invariants of complete intersections Y in X is established.

Algebraic Geometry · Mathematics 2009-10-31 Yuan-Pin Lee

For convex real projective manifolds we prove an analogue of the higher rank rigidity theorem of Ballmann and Burns-Spatzier.

Differential Geometry · Mathematics 2023-09-27 Andrew Zimmer

We propose here a transcendantal proof of the coherence of the higher direct images of a coherent sheaf by a proper morphism of algebraic varieties, which does not use Chow's lemma nor any projective method. The main tool here are…

Algebraic Geometry · Mathematics 2007-05-23 Antoine Ducros

In this paper, we present an explicit description for the boundary behavior of the Bergman kernel function, the Bergman metric, and the associated curvatures along certain sequences converging to an $h$-extendible boundary point.

Complex Variables · Mathematics 2026-01-21 Ninh Van Thu

The purpose of these lectures is to introduce the notion of a Stokes-perverse sheaf as a receptacle for the Riemann-Hilbert correspondence for holonomic D-modules. They develop the original idea of P. Deligne in dimension one, and make it…

Algebraic Geometry · Mathematics 2012-11-02 Claude Sabbah

We give a new proof the arithmetic Hilbert-Samuel theorem by using classical reductions in the theory of coherent sheaves, a direct proof in the case of the projective space and the conservation of some numerical invariants, called…

Algebraic Geometry · Mathematics 2022-07-13 Dorian Ni

In this paper we give an explicit construction of a representing system generated by the Szeg\"{o} kernel for the Hardy space. Thus we answer an open question posed by Fricain, Khoi and Lef\`evre. We use frame theory to prove the main…

Functional Analysis · Mathematics 2018-03-16 Konstantin S. Speransky , Pavel A. Terekhin

Oftentimes, Stokes' theorem is derived by using, more or less explicitly, the invariance of the curl of the vector field with respect to translations and rotations. However, this invariance -- which is oftentimes described as the curl being…

History and Overview · Mathematics 2019-01-29 Iosif Pinelis

Let X be a strictly pseudoconcave domain in a closed polarized complex manifold (Y,L) where L is a (semi-)positive line bundle over Y. Any given Hermitian metric on L, together with a volume form, induces by restriction to X a Hilbert space…

Complex Variables · Mathematics 2008-04-15 Robert Berman