English
Related papers

Related papers: Initial-Boundary Value Problem and Stability of So…

200 papers

We investigate the initial-boundary value problem for linearized gravitational theory in harmonic coordinates. Rigorous techniques for hyperbolic systems are applied to establish well-posedness for various reductions of the system into a…

General Relativity and Quantum Cosmology · Physics 2011-04-21 Bela Szilagyi , Bernd Schmidt , Jeffrey Winicour

An initial-boundary value problem for a time-fractional subdiffusion equation with an arbitrary order elliptic differential operator is considered. Uniqueness and existence of the classical solution of the posed problem are proved by the…

General Mathematics · Mathematics 2020-06-16 Ravshan Ashurov , Oqila Muhiddinova

We formulate the initial value problem for causal variational principles in the continuous setting on a compact metric space. The existence and uniqueness of solutions is analyzed. The results are illustrated by simple examples.

Mathematical Physics · Physics 2017-04-04 Felix Finster , Andreas Grotz

In this article we summarize what is known about the initial-boundary value problem for general relativity and discuss present problems related to it.

General Relativity and Quantum Cosmology · Physics 2011-05-25 Oscar Reula , Olivier Sarbach

We aim to prove a unique solvability of an initial-boundary value problem (IBVP) for a time-fractional wave equation in a rectangular domain. We exploit the spectral expansion method as the main tool and used the solution to Cauchy problems…

Analysis of PDEs · Mathematics 2026-05-26 Erkinjon Karimov , Nasser Al-Salti , Muna Al-Ghabsi

In [V. Barcilon Explicit solution of the inverse problem for a vibrating string. J. Math. Anal. Appl. {\bf 93} (1983) 222-234] two boundary value problems were considered generated by the differential equation of a string $$…

Mathematical Physics · Physics 2013-07-24 Israel Kac , Vyacheslav Pivovarchik

An initial boundary value problem for one-dimensional hyperbolic compressible Navier-Stokes equations is investigated. After transforming the system into Lagrangian coordinate, the resulting system possesses a structure with uniform…

Analysis of PDEs · Mathematics 2025-08-05 Yuxi Hu , Yachun Li

We make a rigorous study of classical field equations on a 2-dimensional signature changing spacetime using the techniques of operator theory. Boundary conditions at the surface of signature change are determined by forming self-adjoint…

General Relativity and Quantum Cosmology · Physics 2008-11-26 L. J. Alty , C. J. Fewster

As is known, the problems for the differential equations with continuously changing order of the derivatives are not considered completely. In this paper we consider the initial and boundary value problems for this type of linear ordinary…

Classical Analysis and ODEs · Mathematics 2016-05-24 N. A. Aliyev , R. G. Ahmadov

We consider the initial boundary value problem for the Einstein vacuum equations in the maximal gauge, or more generally, in a gauge where the mean curvature of a timelike foliation is fixed near the boundary. We prove the existence of…

Analysis of PDEs · Mathematics 2019-12-17 Grigorios Fournodavlos , Jacques Smulevici

This article deals with the initial-boundary value problem for a moderately coupled system of time-fractional diffusion equations. Defining the mild solution, we establish fundamental unique existence, limited smoothing property and…

Analysis of PDEs · Mathematics 2023-03-23 Zhiyuan Li , Xinchi Huang , Yikan Liu

This paper concerns the initial-boundary value problem to 2D micropolar equations without angular viscosity in a smooth bounded domain. It is shown that such a system admits a unique and global weak solution. The main idea of this paper is…

Analysis of PDEs · Mathematics 2017-05-16 Jitao Liu , Shu Wang

In the first of two papers, we study the initial boundary-value problem that underlies the theory of the Boltzmann equation for general non-spherical hard particles. In this work, for two congruent ellipses and for a large class of…

Classical Analysis and ODEs · Mathematics 2018-05-15 Mark Wilkinson

We present a straightforward energy stable weak implementation procedure of open boundary conditions for nonlinear initial boundary value problems. It simplifies previous work and its practical implementation.

Numerical Analysis · Mathematics 2025-03-12 Jan Nordström

This note is concerned with the study of the initial boundary value problem for systems of conservation laws from the point of view of control theory, where the initial data is fixed and the boundary data are regarded as control functions.…

Analysis of PDEs · Mathematics 2007-05-23 F. Ancona , A. Bressan , G. M. Coclite

An explicit solution of the stationary one dimensional half-space boundary value problem for the linear Boltzmann equation is presented in the presence of an arbitrarily high constant external field. The collision kernel is assumed to be…

Statistical Mechanics · Physics 2025-09-08 C. Dalitz , E. H. de Groot

This paper studies an initial boundary value problem for a class of nonlinear Dirac equations with cubic terms and moving boundary. For the initial data with bounded $L^2$ norm and the suitable boundary conditions, the global existence and…

Analysis of PDEs · Mathematics 2019-03-06 Yongqian Zhang , Qin Zhao

We discuss the initial-boundary value problem of General Relativity. Previous considerations for a toy model problem in electrodynamics motivate the introduction of a variational principle for the lapse with several attractive properties.…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Gabriel Nagy , Olivier Sarbach

Initial value problems -- a system of ordinary differential equations and corresponding initial conditions -- can be used to describe many physical phenomena including those arise in classical mechanics. We have developed a novel approach…

Computational Physics · Physics 2025-05-27 Jack Griffiths , Steven A. Wrathmall , Simon A. Gardiner

We consider the initial boundary value problem for a model system of one-dimensional equations which describe unsteady polytropic motions of a mixture of viscous compressible fluids. We prove the global existence and uniqueness theorem for…

Analysis of PDEs · Mathematics 2017-11-22 Dmitriy Prokudin