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This paper describes design of the trajectory and analysis of the stability of collinear point $L_2$ in the Sun-Earth system. The modified restricted three body problem with additional gravitational potential from the belt is used as the…

Earth and Planetary Astrophysics · Physics 2011-04-07 Badam Singh Kushvah

We consider the compressible Vlasov-Poisson-Fokker-Planck-Navier-Stokes system in a three dimensional bounded domain with nonhomogeneous Dirichlet boundary conditions. The system describes the evolution of charged particles ensemble…

Analysis of PDEs · Mathematics 2023-01-04 Li Chen , Fucai Li , Yue Li , Nicola Zamponi

We show that, in dimensions $n\geq 3$, continuity and boundedness do not restore the Sobolev regularity conjecture of Iwaniec and Martin for weakly quasiregular mappings below the critical exponent. For every bounded domain…

Complex Variables · Mathematics 2026-05-05 Stanislav Hencl , Yi Ru-Ya Zhang

The weak-gravity bound has been discovered in several asymptotically safe gravity-matter systems. It limits the strength of gravitational fluctuations that are compatible with an ultraviolet-complete matter sector, and results from the…

High Energy Physics - Theory · Physics 2023-07-19 Gustavo P. de Brito , Benjamin Knorr , Marc Schiffer

With the objective of developing computational methods for stability analysis of switched systems, we consider the problem of finding the minimal lower bounds on average dwell-time that guarantee global asymptotic stability of the origin.…

Optimization and Control · Mathematics 2023-07-24 Sigurdur Hafstein , Aneel Tanwani

In the present paper, which is a development of an earlier study by the author \cite{Sosnitskii08}, we consider the stability of triangular libration points in the spatial circular restricted three-body problem and improve the result of…

Solar and Stellar Astrophysics · Physics 2025-10-16 Stepan P. Sosnitskii

We consider the compressible Poisson-Nernst-Planck-Navier-Stokes (PNPNS) system of equations, governing the transport of charged particles under the influence of the self-consistent electrostatic potential, in a three-dimensional bounded…

Analysis of PDEs · Mathematics 2024-10-03 Daniel Marroquin , Dehua Wang

We numerically investigate the dynamics of orbits in 3D circumbinary phase-space as a function of binary eccentricity and mass fraction. We find that inclined circumbinary orbits in the elliptically-restricted three-body problem display a…

Solar and Stellar Astrophysics · Physics 2015-05-30 Samuel Doolin , Katherine M. Blundell

The restricted planar elliptic three body problem models the motion of a massless body under the Newtonian gravitational force of the two other bodies, the primaries, which evolve in Keplerian ellipses. A trajectory is called oscillatory if…

Dynamical Systems · Mathematics 2016-08-08 Marcel Guardia , Pau Martín , Lara Sabbagh , Tere M. Seara

We consider a family of Leray-$\alpha$ models with periodic boundary conditions in three space dimensions. Such models are a regularization, with respect to a parameter $\theta$, of the Navier-Stokes equations. In particular, they share…

Analysis of PDEs · Mathematics 2011-03-07 Hani Ali , Zied Ammari

In this paper, Particle Swarm Optimization with energy-to-fuel continuation is proposed for initializing the co-state variables for low-thrust minimum-fuel trajectory optimization problems in the circular restricted three-body problem.…

Optimization and Control · Mathematics 2023-02-09 Grant R. Hecht , Eleonora M. Botta

We discover a weak-gravity bound in scalar-gravity systems in the asymptotic-safety paradigm. The weak-gravity bound arises in these systems under the approximations we make, when gravitational fluctuations exceed a critical strength.…

General Relativity and Quantum Cosmology · Physics 2022-01-12 Gustavo P. de Brito , Astrid Eichhorn , Rafael Robson Lino dos Santos

In this paper we are concerned with a initial boundary-value problem for a coupled system of two KdV equations, posed on the positive half line, under the effect of a localized damping term. The model arises when modeling the propagation of…

Analysis of PDEs · Mathematics 2012-12-10 Ademir Fernando Pazoto , Gilmar dos Reis Souza

We study the existence of reproductive weak solutions for a system of equations describing a solidification process of a binary alloy confined into a bounded and regular domain in $\mathbb{R}^3$, having mixed boundary conditions.

Analysis of PDEs · Mathematics 2024-02-26 Blanca Climent-Ezquerra , Mario Durán , Elva Ortega-Torres , Marko Rojas-Medar

By using Lyapunov conditions, weak Poincar\'e inequalities are established for some probability measures on a manifold $(M,g)$. These results are further applied to the convolution of two probability measures on $\R^d$. Along with explicit…

Probability · Mathematics 2016-12-20 Li-Juan Cheng , Shao-Qin Zhang

This article is concerned with the study of weak solutions of a linear transport equation on a bounded domain with coupled boundary data for general non smooth space and time dependent velocity fields. The existence of solutions, its…

Analysis of PDEs · Mathematics 2015-06-29 Arne Roggensack

The minimal Weak Gravity Conjecture (WGC) predicts the emergence of towers of superextremal states in both weak and strong coupling limits. In this work, we study M-theory compactified on a special class of Calabi-Yau threefolds to…

High Energy Physics - Theory · Physics 2025-10-28 Mohammed Charkaoui , Rajae Sammani , El Hassan Saidi , Rachid Ahl Laamara

We consider an viscous, incompressible Newtonian fluid flowing through a thin elastic structure. The motion of the structure is described by the equations of a linearised Koiter shell, whose motion is restricted to transverse displacements.…

Analysis of PDEs · Mathematics 2018-07-20 Hannes Eberlein , Michael Ruzicka

In this article we initiate a systematic study of the well-posedness theory of the Einstein constraint equations on compact manifolds with boundary. This is an important problem in general relativity, and it is particularly important in…

General Relativity and Quantum Cosmology · Physics 2015-06-16 Michael Holst , Gantumur Tsogtgerel

In dynamical systems of few degrees of freedom, periodic solutions consist the backbone of the phase space and the determination and computation of their stability is crucial for understanding the global dynamics. In this paper we study the…

Earth and Planetary Astrophysics · Physics 2014-07-29 Kyriaki I. Antoniadou , George Voyatzis , Harry Varvoglis