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Related papers: Parabolic John-Nirenberg spaces with time lag

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The aim of this manuscript is to obtain rigidity and non-existence results for parabolic spacelike submanifolds with causal mean curvature vector field in orthogonally splitted spacetimes, and in particular, in globally hyperbolic…

Differential Geometry · Mathematics 2024-02-08 Alma L. Albujer , Jónatan Herrera , Rafael M. Rubio

The purpose of this paper is to investigate several issues concerning the Dirac equation from a time-frequency analysis perspective. More precisely, we provide estimates in weighted modulation and Wiener amalgam spaces for the solutions of…

Analysis of PDEs · Mathematics 2020-08-05 S. Ivan Trapasso

We give a proof of the H\"older continuity of weak solutions of certain degenerate doubly nonlinear parabolic equations in measure spaces. We only assume the measure to be a doubling non-trivial Borel measure which supports a Poincar\'e…

Analysis of PDEs · Mathematics 2015-03-17 Tuomo Kuusi , Juhana Siljander , José Miguel Urbano

We prove a noncommutative version of the John-Nirenberg theorem for nontracial filtrations of von Neumann algebras. As an application, we obtain an analogue of the classical large deviation inequality for elements of the associated $BMO$…

Functional Analysis · Mathematics 2007-05-23 Marius Junge , Magdalena Musat

We consider degenerate fully nonlinear parabolic equations, which generalize the p-parabolic equation with $p>2$ to nondivergence form operators. We prove an intrinsic Harnack inequality for nonnegative solutions and a weak Harnack…

Analysis of PDEs · Mathematics 2025-06-13 Vedansh Arya , Vesa Julin

In this paper we firstly derive the weak elliptic Harnack inequality from the generalized capacity condition, the tail estimate of jump measure and the Poincar\'{e} inequality, for any regular Dirichlet form without killing part on a…

Analysis of PDEs · Mathematics 2022-08-12 Jiaxin Hu , Zhenyu Yu

In this paper, the Mean value iterative process is modified with the Mann iterative process for mean nonexpansive mapping in a hyperbolic metric space that satisfy the symmetry criteria and in uniformly convex hyperbolic spaces to validate…

Functional Analysis · Mathematics 2025-05-12 Mohd Tariq , Mayank Sharma

Several asymptotic expansions of parabolic cylinder functions are discussed and error bounds for remainders in the expansions are presented. In particular Poincar{\'e}-type expansions for large values of the argument $z$ and uniform…

Classical Analysis and ODEs · Mathematics 2007-05-23 Raimundas Vidunas , Nico M. Temme

We establish monotonicity formulas for a parabolic frequency function associated with sign-changing solutions to a class of doubly nonlinear parabolic equations of the form $\partial_t u = \mathcal{L}_{p,\varphi} u^q$ on weighted complete…

Analysis of PDEs · Mathematics 2026-04-09 Jin Sun , Philipp Sürig

The John-Nirenberg spaces $JN_p$ are generalizations of the space of bounded mean oscillation $BMO$ with $JN_{\infty}=BMO$. Their vanishing subspaces $VJN_p$ and $CJN_p$ are defined in similar ways as $VMO$ and $CMO$, which are subspaces of…

Functional Analysis · Mathematics 2026-03-05 Riikka Korte , Timo Takala

We prove linear convergence for a new family of modified Dirichlet--Neumann methods applied to quasilinear parabolic equations, as well as the convergence of the Robin--Robin method. Such nonoverlapping domain decomposition methods are…

Numerical Analysis · Mathematics 2023-08-30 Emil Engström , Eskil Hansen

We investigate the parabolic Boundary Harnack Principle for both divergence and non-divergence type operators by the analytical methods we developed in the elliptic context. Besides the classical case, we deal with less regular space-time…

Analysis of PDEs · Mathematics 2021-05-13 Daniela De Silva , Ovidiu Savin

This paper discusses the local Calder\'on-Zygmund type estimate for the singular parabolic double-phase system. The proof covers the counterpart $p<2$ of the result in [23]. Phase analysis is employed to determine an appropriate intrinsic…

Analysis of PDEs · Mathematics 2025-04-03 Wontae Kim

We propose a simple construction of the solution to the continuum parabolic Anderson model on $\mathbf{R}^2$ which does not rely on any elaborate arguments and makes extensive use of the linearity of the equation. A logarithmic…

Probability · Mathematics 2017-05-23 Martin Hairer , Cyril Labbé

The generalized Swift--Hohenberg equation with a quadratic-cubic nonlinearity is used to study the persistence and decay of localized patterns in the presence of time-periodic parametric forcing. A novel resonance phenomenon between the…

Pattern Formation and Solitons · Physics 2014-11-07 Punit Gandhi , Cédric Beaume , Edgar Knobloch

We suggest modified version of Silling's peridynamic equation of motion within the framework of Silling's peridynamics formulation (J. Mech. Phys. Solids {\bf 48}, pp.175-209, 2000) of elasticity theory. The modified equation contains an…

Mathematical Physics · Physics 2012-04-05 R. V. R. Pandya

A new method is proposed to improve the numeri- cal simulation of time dependent problems when the initial and boundary data are not compatible. Unlike earlier methods limited to space dimension one, this method can be used for any space…

Numerical Analysis · Mathematics 2010-11-23 Qingshan Chen , Zhen Qin , Roger Temam

In this paper, we consider a parabolic problem with time-dependent heterogeneous coefficients. Many applied problems have coupled space and time heterogeneities. Their homogenization or upscaling requires cell problems that are formulated…

Numerical Analysis · Mathematics 2021-06-24 Jiuhua Hu , Wing Tat Leung , Eric Chung , Yalchin Efendiev , Sai-Mang Pun

We discuss the quantization of an unstable field through the construction of a "one-particle Hilbert space." The system considered here is a neutral scalar field evolving over a globally hyperbolic static spacetime and subject to a…

General Relativity and Quantum Cosmology · Physics 2017-01-12 William C. C. Lima

The mixed problem for the implicit degenerating nonlinear parabolic equation is considered, and the solvability and behavior of solutions of this problem are studied. Furthermore, some classes of function spaces and their relations with…

Analysis of PDEs · Mathematics 2012-07-31 Kamal N. Soltanov , Mahmud A. Ahmadov
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