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We apply integral representations for functions on non-smooth strictly pseudoconvex domains, the Henkin-Leiterer domains, to derive weighted $C^k$ estimates for the component of a given function, $f$, which is orthogonal to holomorphic…

Complex Variables · Mathematics 2009-03-25 Dariush Ehsani

We prove a sharp upper bound on convex domains, in terms of the diameter alone, of the best constant in a class of weighted Poincar\'e inequalities. The key point is the study of an optimal weighted Wirtinger inequality.

Optimization and Control · Mathematics 2012-11-07 Vincenzo Ferone , Carlo Nitsch , Cristina Trombetti

We consider elliptic equations and systems in divergence form with the conormal or the Robin boundary conditions, with small BMO (bounded mean oscillation) or variably partially small BMO coefficients. We propose a new class of domains…

Analysis of PDEs · Mathematics 2020-07-24 Hongjie Dong , Zongyuan Li

If a bounded domain can be covered by the polydisk through a rational proper holomorphic map, then the Bergman projection is $L^p$-bounded for $p$ in a certain range depending on the ramified rational covering. This result can be applied to…

Complex Variables · Mathematics 2019-03-26 Liwei Chen , Steven G. Krantz , Yuan Yuan

In this work we explore the theme of $L^p$-boundedness of Bergman projections of domains that can be covered, in the sense of ramified coverings, by "nice" domains (e.g. strictly pseudoconvex domains with real analytic boundary). In…

Complex Variables · Mathematics 2022-12-21 Gian Maria Dall'Ara , Alessandro Monguzzi

We study the Bergman projection, $\mathcal{B}$, and the Cauchy-Szeg\H{o} projection, $\mathcal{S}$, on bounded domains with near minimal smoothness. We prove that $\mathcal{B}$ has the weak-type $(1,1)$ property with respect to weighted…

Complex Variables · Mathematics 2023-10-18 Cody B. Stockdale , Nathan A. Wagner

We obtain weighted estimates for the $\bar{\partial}$-Neumann operator on intersections of two smooth strictly pseudoconvex domains in $\mathbb{C}^2$. The regularity estimates are described with the use of Sobolev norms with weights which…

Complex Variables · Mathematics 2019-04-24 Dariush Ehsani

Let $\Omega $ be a bounded ${\mathcal{C}}^{\infty}$-smoothly bounded domain in ${\mathbb{C}}^{n}.$ For such a domain we define a new notion between strict pseudo-convexity and pseudo-convexity: the size of the set $W$ of weakly…

Complex Variables · Mathematics 2019-11-06 Eric Amar

We consider the parabolic Lam\'{e} system on a bounded domain. We focus on two types of inequalities for higher-order derivatives of solutions. The first is related to an $L^p$-$L^p$ estimate locally in time in the Lebesgue space setting,…

Analysis of PDEs · Mathematics 2026-03-24 Yoshinori Furuto , Tsukasa Iwabuchi

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

We give an explicit lower bound, in terms of the distance from the boundary, for the Kobayashi metric of a certain class of bounded pseudoconvex domains in $\mathbb{C}^n$ with $\mathcal{C}^2$-smooth boundary using the regularity theory for…

Complex Variables · Mathematics 2025-07-02 Annapurna Banik , Gautam Bharali

In this work, we extend the theory of B\'ekoll\`e-Bonami $B_p$ weights. Here we replace the constant $p$ by a non-negative measurable function $p(\cdot),$ which is log-H\"older continuous function with lower bound $1$. We show that the…

Complex Variables · Mathematics 2023-03-15 David BÉkollÈ , Edgar-Landry Tchoundja , Arsene-Brice Zotsa-Ngoufack

We give a precise description of Bergman complete bounded pseudoconvex Reinhardt domains.

Complex Variables · Mathematics 2007-05-23 Wlodzimierz Zwonek

In convex geometry, the Blaschke surface area measure on the boundary of a convex domain can be interpreted in terms of the complexity of approximating polyhedra. In response to a question raised by D. Barrett, this approach is formulated…

Complex Variables · Mathematics 2016-05-03 Purvi Gupta

We prove a general version of \cite[Theorem 4.1]{Boas84} to obtain Sobolev estimates for weighted Bergman projections on convex Reinhardt domains by using the Pr\'ekopa-Leindler inequality.

Complex Variables · Mathematics 2016-01-13 Yunus E. Zeytuncu

We study the parameter dependence of the Bergman kernels on some planar domains depending on complex parameter \zeta in nontrivial "pseudoconvex" ways. Smoothly bounded cases are studied at first: It turns out that, in an example where the…

Complex Variables · Mathematics 2015-03-13 Yanyan Wang

We prove some sharp extremal distance results for functions in weighted Bergman spaces on the upper halfplane.We also prove such results in the context of bounded strictly pseudoconvex domains with smooth boundary

Complex Variables · Mathematics 2024-04-17 Romi Shamoyan , Milos Arsenovic

We develop a method for proving sup-norm and H\"older estimates for $\overline{\partial}$ on wide class of finite type pseudoconvex domains in $\mathbb{C}^n$. A fundamental obstruction to proving sup-norm estimates is the possibility of…

Complex Variables · Mathematics 2020-12-10 Dusty Grundmeier , Lars Simon , Berit Stensønes

We show how to construct a class of smooth bounded pseudoconvex domains whose boundary contains a given Stein manifold with strongly pseudoconvex boundary, having a prescribed codimension and D'Angelo class (a cohomological invariant…

Complex Variables · Mathematics 2024-10-15 Simone Calamai , Gian Maria Dall'Ara

This paper studies the Neumann boundary value problems for the Stokes equations in a convex domain in $\mathbb{R}^d$. We obtain nontangential-maximal-function estimates in $L^p$ and $W^{1, p}$ estimates for $p$ in certain ranges depending…

Analysis of PDEs · Mathematics 2024-10-23 Jun Geng , Zhongwei Shen