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Related papers: The corona theorem in weighted Hardy and Morrey sp…

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In this paper we completely characterize those weighted Hardy spaces that are Poletsky--Stessin Hardy spaces $H^p_u$. We also provide a reduction of $H^\infty$ problems to $H^p_u$ problems and demonstrate how such a reduction can be used to…

Complex Variables · Mathematics 2015-03-03 Evgeny A. Poletsky , Khim R. Shrestha

The corona problem was motivated by the question of the density of the open unit disc in the maximal ideal space of the algebra of bounded holomorphic functions on the unit disc. The corona problem connects operator theory, function theory,…

Complex Variables · Mathematics 2023-05-31 Hunduma Legesse Geleta

We study the corona problem on the unit ball in $\CC^n$, and more generally on strongly pseudoconvex domains in $\CC^n$. When the corona problem has just two pieces of data, and an extra geometric hypothesis is satisfied, then we are able…

Complex Variables · Mathematics 2010-01-13 Steven G. Krantz

This paper utilizes Cauchy's transform and duality for the Dirichlet-type space $D(\mu)$ with positive superharmonic weight $U_\mu$ on the unit disk $\mathbb{D}$ to establish the corona theorem for the Dirichlet-type multiplier algebra…

Functional Analysis · Mathematics 2023-09-25 Shuaibing Luo

We prove that the multiplier algebra of the Drury-Arveson Hardy space $H_{n}^{2}$ on the unit ball in $\mathbb{C}^{n}$ has no corona in its maximal ideal space, thus generalizing the famous Corona Theorem of L. Carleson to higher…

Complex Variables · Mathematics 2012-01-13 Serban Costea , Eric T. Sawyer , Brett D. Wick

For a wide class of domains $G\subset\mathbb C^d$ including balls and polydisks we prove the density of their canonical image in the spectrum of $H^\infty(G)$. This Corona Theorem is proved first in its abstract version for certain uniform…

Functional Analysis · Mathematics 2025-05-27 Marek Kosiek , Krzysztof Rudol

Let $E$ be a Banach lattice on $\mathbb Z$ having order continuous norm. We show that for any function $f = \{f_j\}_{j \in \mathbb Z}$ from the Hardy space $H_\infty (E)$ such that $\delta \leqslant \|f (z)\|_E \leqslant 1$ for all $z$ from…

Complex Variables · Mathematics 2017-02-08 Dmitry V. Rutsky

Let $D\subset\Co$ be a bounded domain, whose boundary $B$ consists of $k$ simple closed continuous curves and $H^{\infty}(D)$ be the algebra of bounded analytic functions on $D$. We prove the matrix-valued corona theorem for matrices with…

Complex Variables · Mathematics 2007-05-23 Alexander Brudnyi

In this paper continuing our work started in our earlier papers we prove the corona theorem for the algebra of bounded holomorphic functions defined on an unbranched covering of a Caratheodory hyperbolic Riemann surface of finite type.

Complex Variables · Mathematics 2007-05-23 Alexander Brudnyi

This paper proves a corona theorem for the algebra of Radon measures compactly supported in $\mathbb{R}_-$ and this result is applied to provide a necessary and sufficient Hautus--type frequency criterion for the $L^1$ exact controllability…

Optimization and Control · Mathematics 2024-01-08 Sebastien Fueyo , Yacine Chitour

The main purpose of this paper is to extend and refine some work of Agler-McCarthy and Amar concerning the Corona problem for the polydisk and the unit ball in $\mathbb{C}^n$.

Classical Analysis and ODEs · Mathematics 2010-05-07 Tavan T. Trent , Brett D. Wick

Let $\mathbb{I}$ be a proper ideal of $H^{\infty}(\D)$. We prove the corona theorem for infinitely many generators on the algebra $H^{\infty}_{\mathbb{I}}$ in which the corona theorem for finitely many functions is known to hold. This…

Functional Analysis · Mathematics 2017-02-28 Debendra P. Banjade

We study the corona problem on the unit ball and the unit polydisc in $\CC^n$. We provide affirmative solutions to both problems.

Complex Variables · Mathematics 2011-12-20 Steven G. Krantz

In this paper we consider the matrix-valued $H^{p}$ corona problem in the disk and polydisk. The result for the disk is rather well known, and is usually obtained from the classical Carleson Corona Theorem by linear algebra. Our proof…

Complex Variables · Mathematics 2010-05-04 Sergei Treil , Brett D Wick

Let $K$ be a square Cantor set, i.e. the Cartesian product $K=E\times E$ of two linear Cantor sets. Let $\delta_n$ denote the proportion of the intervals removed in the $n$th stage of the construction of $E$. It is shown that if…

Complex Variables · Mathematics 2007-12-10 Jon Handy

By using parallel corona decomposition, the Kerman-Sawyer trace inequality is extended from Lebesgue spaces to product Morrey spaces.

Functional Analysis · Mathematics 2026-04-21 Naoya Hatano , Ryota Kawasumi , Hiroki Saito , Hitoshi Tanaka

We prove an alternate Toeplitz corona theorem for the algebras of pointwise kernel multipliers of Besov-Sobolev spaces on the unit ball in $\mathbb{C}^{n}$, and for the algebra of bounded analytic functions on certain strictly pseudoconvex…

Classical Analysis and ODEs · Mathematics 2017-05-30 Eric T. Sawyer , Brett D. Wick

We prove the corona theorem for domains whose boundary lies in certain smooth quasicircles. These curves, which are not necessarily Dini-smooth, are defined by quasiconformal mappings whose complex dilatation verifies certain conditions.…

Complex Variables · Mathematics 2018-11-13 J. M. Enriquez-Salamanca , Maria J. Gonzalez

In this article, we consider two classes of weighted Hardy spaces on products of planar domains and their corresponding kernel functions, and we prove product versions of Saitoh's conjecture related to the two classes of weighted Hardy…

Complex Variables · Mathematics 2022-11-01 Qi'an Guan , Zheng Yuan

This paper discusses properties of the Higson corona by means of a quotient on coarse ultrafilters on a proper metric space. We use this description to show that the corona functor is faithful. This study provides a K\"unneth formula for…

Metric Geometry · Mathematics 2019-07-09 Elisa Hartmann
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