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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 give a qualitative description of extremals for Morrey's inequality. Our theory is based on exploiting the invariances of this inequality, studying the equation satisfied by extremals and the observation that extremals are optimal for a…

Analysis of PDEs · Mathematics 2020-05-19 Ryan Hynd , Francis Seuffert

In the present paper we investigate the existence of directional derivatives for strongly cone-paraconvex mappings. Our result is a counterpart of the theorem of Valadier concerning directional differentiability of cone convex mappings.

Optimization and Control · Mathematics 2017-12-20 Ewa Bednarczuk , Krzysztof Leśniewski

In this paper we obtain sharp weighted estimates for solutions of the $\partial$-equation in a lineally convex domains of finite type. Precisely we obtain estimates in spaces of the form L p ({\Omega},$\delta$ $\gamma$), $\delta$ being the…

Complex Variables · Mathematics 2016-05-10 Philippe Charpentier , Y Dupain , M Mounkaila

This is a brief overview of some applications of the ideas of abstract convexity to the upper semilattices of gauges in finite dimensions.

Functional Analysis · Mathematics 2011-05-31 S. Kutateladze

This talk is a write-up on some origins of abstract convexity and afew vexing limitations on the range of abstraction in convexity.

Functional Analysis · Mathematics 2007-05-23 S. S. Kutateladze

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

This paper is mainly concerned with the existence of extremals for the Adams inequality. We first establish an upper bound for the classical Adams functional along of all concentrated sequences in $W^{m,\frac{n}{m}}_{\mathcal{N}}(\Omega)$,…

Analysis of PDEs · Mathematics 2022-07-26 José Francisco Alves de Oliveira , Abiel Costa Macedo

We study one extremal problem on the product of power of generalized inner radii of non-overlapping domains in $\mathbb{C}^{n}$.

Complex Variables · Mathematics 2012-07-23 A. K. Bakhtin , G. P. Bakhtina , I. V. Denega

In a cylindrical space-time domain with a convex, spatial base, we establish a local Lipschitz estimate for weak solutions to parabolic systems with Uhlenbeck structure up to the lateral boundary, provided homogeneous Dirichlet data are…

Analysis of PDEs · Mathematics 2021-10-19 Verena Bögelein , Frank Duzaar , Naian Liao , Christoph Scheven

We study extremal properties of spherical random polytopes, the convex hull of random points chosen from the unit Euclidean sphere in $\mathbb{R}^n$. The extremal properties of interest are the expected values of the maximum and minimum…

Probability · Mathematics 2025-01-16 Brett Leroux , Luis Rademacher , Carsten Schütt , Elisabeth M. Werner

We prove several fundamental results about divisorial integral domains in the setup of multiplicative lattices.

Commutative Algebra · Mathematics 2025-02-25 Tiberiu Dumitrescu , Mihai Epure

We study a disc formula for the relative extremal function for Borel sets in complex manifolds.

Complex Variables · Mathematics 2007-05-23 Armen Edigarian , Ragnar Sigurdsson

For a domain $D$ of $\mathbb{C}^n$ which is weakly $q$-pseudoconvex or $q$-pseudoconcave we give a sufficient condition for subelliptic estimates for the $\bar{\partial}$-Neumann problem. The paper extends to domains which are not…

Complex Variables · Mathematics 2008-04-22 Tran Vu Khanh , Giuseppe Zampieri

We study existence and multiplicity of positive radial solutions for a coupled elliptic system in exterior domains where the nonlinearities depend on the gradients and the boundary conditions are nonlocal. We use a non-standard cone to…

Functional Analysis · Mathematics 2020-01-01 F. Cianciaruso , L. Muglia , P. Pietramala

We investigate regularity properties of the $\overline{\partial}$-equation on domains in a complex euclidean space that depend on a parameter. Both the interior regularity and the regularity in the parameter are obtained for a continuous…

Complex Variables · Mathematics 2017-11-15 Xianghong Gong , Kang-Tae Kim

We introduce the concept of geometric extremal graphical models, which are defined through the gauge function of the limit set obtained from suitably scaled random vectors in light-tailed margins. For block graphs, we prove results relating…

Statistics Theory · Mathematics 2026-01-05 Ioannis Papastathopoulos , Jennifer Wadsworth

The stability of exponential bases on domains in $\R^n$ has been widely studied, with much of the research focusing on small perturbations of the phase. In this paper, we consider bases on measurable domains of the real line, and their…

Functional Analysis · Mathematics 2024-10-04 Oleg Asipchuk

The purpose of this article is to provide an exposition of domains of convergence of power series of several complex variables without recourse to relatively advanced notions of convexity.

Complex Variables · Mathematics 2016-04-01 G. P. Balakumar

We investigate partial symmetry of solutions to semi-linear and quasi-linear elliptic problems with convex nonlinearities, in domains that are either axially symmetric or radially symmetric.

Analysis of PDEs · Mathematics 2012-08-13 Kanishka Perera , Marco Squassina
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