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In this paper, we aim to prove the existence of global Martingale solution to Stochastic Constrained Modified Swift-Hohenberg Equation driven by stratonovich multiplicative noise. This equation belongs to class of amplitude equations which…

Probability · Mathematics 2025-05-06 Saeed Ahmed , Javed Hussain

In some pattern-forming systems, for some parameter values, patterns form with two wavelengths, while for other parameter values, there is only one wavelength. The transition between these can be organised by a codimension-three point at…

Pattern Formation and Solitons · Physics 2021-12-14 David C. Bentley , Alastair M. Rucklidge

We consider the conservative complex Swift-Hohenberg equation, which belongs to the family of nonlinear fourth-order dispersive Schr\"odinger equations. In contrast to the well-studied one-dimensional dissipative Swift-Hohenberg equation,…

Pattern Formation and Solitons · Physics 2025-07-22 Rudy Kusdiantara , Hadi Susanto

This paper aims to investigate the stochastic generalization of the projected deterministic constrained modified Swift-Hohenberg equation. In particular, we prove the global well-posedness and its invariance of Hilbert submanifold i.e. if…

Probability · Mathematics 2025-05-06 Javed Hussain , Saeed Ahmed , Abdul Fatah

One standard way to prove existence for deterministic, highly nonlinear PDEs is to use the Schauder-Tychonoff fixed-point theorem. In what follows, we introduce and verify a stochastic variant of the Schauder-Tychonoff theorem. We apply our…

Probability · Mathematics 2026-02-23 Erika Hausenblas , Ankit Kumar , Jonas M. Tölle

Recent work on the behaviour of localised states in pattern forming partial differential equations has focused on the traditional model Swift-Hohenberg equation which, as a result of its simplicity, has additional structure --- it is…

Dynamical Systems · Mathematics 2011-08-10 John Burke , Jonathan H. P. Dawes

In this paper, we have studied the long-term behavior for the projected deterministic constrained modified Swift-Hohenberg equation with constraints and Dirichlet boundary conditions. Specifically, using Lojasiewicz-Simon inequality, we…

Analysis of PDEs · Mathematics 2025-05-08 Saeed Ahmed , Javed Hussain

Non-local reaction-diffusion partial differential equations (PDEs) involving the fractional Laplacian have arisen in a wide variety of applications. One common tool to analyse the dynamics of classical local PDEs near instability is to…

Analysis of PDEs · Mathematics 2024-03-06 Christian Kuehn , Sebastian Throm

I introduce an innovative methodology for deriving numerical models of systems of partial differential equations which exhibit the evolution of spatial patterns. The new approach directly produces a discretisation for the evolution of the…

Numerical Analysis · Mathematics 2025-10-20 A. J. Roberts

In this paper, we present a methodology for establishing constructive proofs of existence of smooth, stationary, non-radial localized patterns in the planar Swift-Hohenberg equation. Specifically, given an approximate solution $u_0$, we…

Analysis of PDEs · Mathematics 2024-09-19 Matthieu Cadiot , Jean-Philippe Lessard , Jean-Christophe Nave

This paper investigates a Cahn-Hilliard-Swift-Hohenberg system, focusing on a three-species chemical mixture subject to physical constraints on volume fractions. The resulting system leads to complex patterns involving a separation into…

Analysis of PDEs · Mathematics 2024-10-02 Harald Garcke , Kei Fong Lam , Robert Nürnberg , Andrea Signori

This manuscript is devoted to the study of a class of nonlinear non-instantaneous impulsive first order abstract retarded type functional differential equations in an arbitrary separable Hilbert space H. A new set of sufficient conditions…

Numerical Analysis · Mathematics 2023-11-23 Shahin Ansari , Muslim Malik

Computational modeling of pattern formation in nonequilibrium systems is a fundamental tool for studying complex phenomena in biology, chemistry, materials science and engineering. The pursuit for theoretical descriptions of some among…

Pattern Formation and Solitons · Physics 2022-02-08 D. L. Coelho , E. Vitral , J. Pontes , N. Mangiavacchi

We study pattern formation in a complex Swift Hohenberg equation with phase-sensitive (parametric) gain. Such an equation serves as a universal order parameter equation describing the onset of spontaneous oscillations in extended systems…

Pattern Formation and Solitons · Physics 2016-07-11 Manuel Martínez-Quesada , Germán J. de Valcárcel

We study the Swift-Hohenberg equation - a paradigm model for pattern formation - with "large" spatially periodic coefficients and find a Turing bifurcation that generates patterns whose leading order form is a Bloch wave modulated by…

Pattern Formation and Solitons · Physics 2025-06-30 Jolien Kamphuis , Martina Chirilus-Bruckner

Pattern formation often occurs in spatially extended physical, biological and chemical systems due to an instability of the homogeneous steady state. The type of the instability usually prescribes the resulting spatio-temporal patterns and…

Pattern Formation and Solitons · Physics 2015-04-14 David Schueler , Sergio Alonso , Alessandro Torcini , Markus Baer

In this article, we consider the stochastic Cahn--Hilliard equation driven by multiplicative space-time white noise with diffusion coefficient of sublinear growth. By introducing the spectral Galerkin method, we first obtain the…

Probability · Mathematics 2020-06-23 Jianbo Cui , Jialin Hong

We present a general approach to prove the existence, both locally and globally in amplitude, of fully localised multi-dimensional patterns in partial differential equations containing a compact spatial heterogeneity. While one-dimensional…

Pattern Formation and Solitons · Physics 2026-05-04 Dan J. Hill , David J. B. Lloyd , Matthew R. Turner

In this article, we extend the framework developed in \cite{unbounded_domain_cadiot} to allow for rigorous proofs of existence of smooth, localized solutions in semi-linear partial differential equations possessing both space and non-space…

Analysis of PDEs · Mathematics 2026-01-19 Dominic Blanco , Matthieu Cadiot

We study the existence of patterns (nontrivial, stationary solutions) for one-dimensional Swift-Hohenberg Equation in a directional quenching scenario, that is, on $x\leq 0$ the energy potential associated to the equation is bistable,…

Analysis of PDEs · Mathematics 2019-07-11 Rafael Monteiro , Natsuhiko Yoshinaga
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