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For a pseudoconvex tube domain, we prove estimates that relate the sublevel sets of its diagonal Bergman kernel to the floating bodies of its convex base. This allows us to associate a new affine invariant to any convex body.

Complex Variables · Mathematics 2016-04-12 Purvi Gupta

The theory of analytic function spaces in very general tubular domains over symmetric cones is a relatively new interesting research area. Tube domains are very general and very complicated domains. Recently several new results in this…

Complex Variables · Mathematics 2025-09-29 R. F. Shamoyan

Extending the methods developed in the author's previous paper and using adapted coordinate systems in two variables, an L^p boundedness theorem is proven for maximal operators over hypersurfaces in R^3 when p > 2. When the best possible p…

Classical Analysis and ODEs · Mathematics 2010-08-25 Michael Greenblatt

We study some special almost complex structures on strictly pseudoconvex domains. They appear naturally as limits under a nonisotroping scaling procedure and play a role of model objects in the geometry of almost complex manifolds with…

Complex Variables · Mathematics 2007-05-23 H. Gaussier , A. Sukhov

Let $\Omega\subset \mathbb{C}^n$ be a smooth bounded pseudoconvex domain and $A^2 (\Omega)$ denote its Bergman space. Let $P:L^2(\Omega)\longrightarrow A^2(\Omega)$ be the Bergman projection. For a measurable $\varphi:\Omega\longrightarrow…

Complex Variables · Mathematics 2021-05-25 Zeljko Cuckovic

We look at the $L^p$ bounds on eigenfunctions for polygonal domains (or more generally Euclidean surfaces with conic singularities) by analysis of the wave operator on the flat Euclidean cone $C(\mathbb{S}^1_\rho) := \mathbb{R}_+ \times…

Analysis of PDEs · Mathematics 2016-03-21 Matthew D. Blair , G. Austin Ford , Jeremy L. Marzuola

We consider generalized Bochner-Riesz operators associated with planar convex domains. We construct domains which yield improved $L^p$ bounds for the Bochner-Riesz over previous results of Seeger-Ziesler and Cladek. The constructions are…

Classical Analysis and ODEs · Mathematics 2024-01-25 Hrit Roy

The $p-$Bergman kernel $K_p(\cdot)$ is shown to be of $C^{1,1/2}$ for $1<p<\infty$. An unexpected relation between the off-diagonal $p-$Bergman kernel $K_p(\cdot,z)$ and certain weighted $L^2$ Bergman kernel is given for $1\le p\le 2$. As…

Complex Variables · Mathematics 2022-10-20 Bo-Yong Chen , Yuanpu Xiong

In this work we consider smooth unbounded worm domains $\mathcal Z_\lambda$ in $\mathbb C^2$ and show that the Bergman projection, densely defined on the Sobolev spaces $H^{s,p}(\mathcal Z_\lambda)$, $p\in(1,\infty)$, $s\ge0$, does not…

Complex Variables · Mathematics 2023-03-28 Steven G. Krantz , Alessandro Monguzzi , Marco M. Peloso , Caterina Stoppato

We show that on bounded Lipschitz pseudoconvex domains that admit good weight functions the $\overline{\partial}$-Neumann operators $N_q, \overline{\partial}^* N_{q}$, and $\overline{\partial} N_{q}$ are bounded on $L^p$ spaces for some…

Complex Variables · Mathematics 2018-01-22 Phillip S. Harrington , Yunus E. Zeytuncu

We give criteria for boundedness of the associated Bergman-type projections on Lp-spaces on Cn with respect to generalized Gaussian weights exp(-|z|^2m). Complete characterization is obtained for 0<m<=1 and 2n/(2n-1)<m<2; partial results…

Complex Variables · Mathematics 2011-05-30 Helene Bommier-Hato , Miroslav Englis , El-Hassan Youssfi

Given a bounded strongly pseudoconvex domain $D$ in $\mathbb{C}^n$ with smooth boundary, we give a characterization through products of functions in weighted Bergman spaces of $(\lambda,\gamma)$-skew Carleson measures on $D$, with…

Complex Variables · Mathematics 2017-10-05 Marco Abate , Jasmin Raissy

An integral solution operator for $\bar\partial$ is constructed on product domains that include the punctured bidisc. This operator is shown to satisfy $L^p$ estimates for all $1\leq p <\infty$, though with non-standard -- relative to…

Complex Variables · Mathematics 2018-09-24 Liwei Chen , Jeffery McNeal

We study the density of functions which are holomorphic in a neighbourhood of the closure $\overline{\Omega}$ of a bounded non-smooth pseudoconvex domain $\Omega$, in the Bergman space $ H^2(\Omega ,\varphi)$ with a plurisubharmonic weight…

Complex Variables · Mathematics 2024-02-27 Bo-Yong Chen , John Erik Fornæss , Jujie Wu

We consider planar curved strictly convex domains with no or very weak smoothness assumptions and prove sharp bounds for square-functions associated to the lattice point discrepancy.

Classical Analysis and ODEs · Mathematics 2010-04-08 Alexander Iosevich , Eric T. Sawyer , Andreas Seeger

We prove variable coefficient versions of L^p boundedness results on Hilbert transforms and maximal functions along convex curves in the plane.

Classical Analysis and ODEs · Mathematics 2010-03-15 Andreas Seeger , Stephen Wainger

We present some results dealing with the local geometry of almost complex manifolds. We establish mainly the complete hyperbolicity of strictly pseudoconvex domains, the extension of plurisubharmonic functions through generic submanifolds…

Complex Variables · Mathematics 2007-05-23 Bernard Coupet , Herve Gaussier , Alexandre Sukhov

We study the $\bar\partial$-Neumann Laplacian from spectral theoretic perspectives. In particular, we show how pseudoconvexity of a bounded domain is characterized by positivity of the $\bar\partial$-Neumann Laplacian.

Complex Variables · Mathematics 2010-06-23 Siqi Fu

We study integral functionals constrained to divergence-free vector fields in $L^p$ on a thin domain, under standard $p$-growth and coercivity assumptions, $1<p<\infty$. We prove that as the thickness of the domain goes to zero, the…

Analysis of PDEs · Mathematics 2010-04-22 Stefan Krömer

We prove an analog of the classical Hartogs extension theorem for CR $L^{2}$ functions defined on boundaries of certain (possibly unbounded) domains on coverings of strongly pseudoconvex manifolds. Our result is related to a problem posed…

Complex Variables · Mathematics 2007-05-23 Alexander Brudnyi
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