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Related papers: Compactness in the d-bar-Neumann problem

200 papers

We show subellipticity of the d-bar Neumann problem on domains with Lipschitz boundary in the presence of plurisubharmonic functions with Hessians of algebraic growth. In particular, a subelliptic estimate holds near a point where the…

Complex Variables · Mathematics 2008-02-03 Emil J. Straube

Our aim is to solve a quite old question on the difference between expandability and compact expandability. Toward this, we further investigate the logic of countable cofinality.

Logic · Mathematics 2019-09-18 Enrique Casanovas , Saharon Shelah

In this paper, we propose a generalization of a congruence due to Carlitz.

Number Theory · Mathematics 2007-05-23 Hao Pan

We study a class of critical Kirchhoff problems with a general nonlocal term. The main difficulty here is the absence of a closed-form formula for the compactness threshold. First we obtain a variational characterization of this threshold…

Analysis of PDEs · Mathematics 2020-12-22 Erisa Hasani , Kanishka Perera

This note is a commentary on the model-theoretic interpretation of Grothendieck's double limit characterization of weak relative compactness.

Logic · Mathematics 2017-03-28 Anand Pillay

In this article, we recall various existing kinetic models of non-reactive polyatomic gases. We also review the results, all recently obtained, about the compactness of the associated linearized Boltzmann operator, and briefly investigate…

Analysis of PDEs · Mathematics 2024-07-17 Niclas Bernhoff , Laurent Boudin , Milana Čolić , Bérénice Grec

We formulate p-brane Newton-Cartan background through the limiting procedure from relativistic Dirac-Born-Infeld action and Wess-Zumino term. We also determine action for unstable D(p+1)-brane in p-brane Newton-Cartan Background and study…

High Energy Physics - Theory · Physics 2021-05-26 J. Kluson

An improvement of the author's result, proved in 1961, concerning necessary and sufficient conditions for the compactness of embedding operators is given. A counterexample to a published statement concerning compactness of embedding…

Numerical Analysis · Mathematics 2007-05-23 A. G. Ramm

We study compactness of solutions to the Yamabe problem on Riemannian manifolds which are not locally conformally flat.

Analysis of PDEs · Mathematics 2007-05-23 YanYan Li , Lei Zhang

A twisted $\bar{\partial}_f$-Neumann problem associated to a singularity $(\mathscr{O}_n,f)$ is established. By constructing the connection to the Koszul complex for toeplitz $n$-tuples $(f_1,\cdots,f_n)$ on Bergman spaces $B^0(D)$, we can…

Complex Variables · Mathematics 2015-05-19 Hao Wen , Huijun Fan

In this paper, we develop the theory of symmetric triads with multiplicities. First, we classify abstract symmetric triads with multiplicities. Second, we determine the symmetric triads with multiplicities corresponding to commutative…

Differential Geometry · Mathematics 2025-06-04 Kurando Baba , Osamu Ikawa

We give an elementary and self-contained proof of the uniformization theorem for non-compact simply-connected Riemann surfaces.

Complex Variables · Mathematics 2021-09-06 Cipriana Anghel , Rares Stan

We prove a compactness theorem for metrics with Bounded Integral Curvature on a fixed closed surface $\Sigma$. As a corollary, we obtain a compactification of the space of Riemannian metrics with conical singularities, where an accumulation…

Differential Geometry · Mathematics 2016-10-20 Clément Debin

This is a survey of compactification extension results and problems for a special class of proximities.

General Topology · Mathematics 2007-05-23 Marlon C. Rayburn

An extension of the Gauss-Newton algorithm is proposed to find local minimizers of penalized nonlinear least squares problems, under generalized Lipschitz assumptions. Convergence results of local type are obtained, as well as an estimate…

Optimization and Control · Mathematics 2011-03-03 Saverio Salzo , Silvia Villa

We attempt to review all trustworthy and well-controlled de Sitter compactifications of string theory.

High Energy Physics - Theory · Physics 2023-04-03 Iosif Bena , Mariana Graña , Thomas Van Riet

The purpose of this short note is to provide a new and very short proof of a result by Sudakov, offering an important improvement of the classical result by Kolmogorov-Riesz on compact subsets of Lebesgue spaces.

Functional Analysis · Mathematics 2019-03-22 Harald Hanche-Olsen , Helge Holden , Eugenia Malinnikova

We prove an abstract compactness theorem for a family of generalized Seiberg-Witten equations in dimension three. This result recovers Taubes' compactness theorem for stable flat $\mathbf{P}\mathrm{SL}_2(\mathbf{C})$-connections as well as…

Differential Geometry · Mathematics 2022-02-02 Thomas Walpuski , Boyu Zhang

We improve the concept of our previous paper "Dirac type tensor equations with nonabelian gauge symmetries on pseudo-Riemannian space" and present a new compact formula for the tensor $B_\mu$.

Mathematical Physics · Physics 2010-11-11 N. G. Marchuk

We note a generalization of Whyte's geometric solution to the von Neumann problem for locally compact groups in terms of Borel and clopen piecewise translations. This strengthens a result of Paterson on the existence of Borel paradoxical…

Group Theory · Mathematics 2019-05-21 Friedrich Martin Schneider