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20232026
most citedStationary non-radial localized patterns in the planar Swift-Hohenberg PDE: constructive proofs of existence

10 citations · 10 across the 11 of their papers we have counts for

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math.AP2026

Finite-time blow-up for the real-valued defocusing energy-supercritical NLW

Matthieu Cadiot, Alexandru D. Ionescu, Stan Palasek

We consider the defocusing nonlinear wave equations , with odd, for real-valued functions on , in the energy-supercritical case. For $(…

math.AP2026

Global Bifurcation and the Constructive Existence of Overhanging Periodic Steady Water Waves

Matthieu Cadiot, Susanna Haziot

We provide a constructive existence proof for overhanging periodic gravity water waves with constant vorticity. By introducing a conformal mapping formulation, we parameterize the…

math.AP2026

Constructive existence proofs and stability of stationary solutions to parabolic PDEs using Gegenbauer polynomials

Maxime Breden, Matthieu Cadiot, Antoine Zurek

In this paper, we present a computer-assisted framework for constructive proofs of existence for stationary solutions to one-dimensional parabolic PDEs and the rigorous determinati…

math.AP2025

Proving the existence of localized patterns and saddle node bifurcations in 1D activator-inhibitor type models

Dominic Blanco, Matthieu Cadiot, Daniel Fassler

In this paper, we present a general framework for constructively proving the existence and stability of stationary localized 1D solutions and saddle-node bifurcations in activator-…

math.AP2025

Existence proofs of traveling wave solutions on an infinite strip for the suspension bridge equation and proof of orbital stability

Lindsey van der Aalst, Matthieu Cadiot

In this paper, we present a computer-assisted approach for constructively proving the existence of traveling wave solutions of the suspension bridge equation on the infinite strip…

math.AP2025

Proving symmetry of localized solutions and application to dihedral patterns in the planar Swift-Hohenberg PDE

Dominic Blanco, Matthieu Cadiot

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…

math.AP2025

Stability analysis for localized solutions in PDEs and nonlocal equations on

Matthieu Cadiot

In this paper, we present a general methodology for investigating the linear stability of localized solutions in PDEs and nonlocal equations on . More specifically, w…

math.AP2025

Recent advances about the rigorous integration of parabolic PDEs via fully spectral Fourier-Chebyshev expansions

Matthieu Cadiot, Jean-Philippe Lessard

This paper presents a novel approach to rigorously solving initial value problems for semilinear parabolic partial differential equations (PDEs) using fully spectral Fourier-Chebys…

math.AP2024

The 2D Gray-Scott system of equations: constructive proofs of existence of localized stationary patterns

Matthieu Cadiot, Dominic Blanco

In this article, we present a comprehensive framework for constructing smooth, localized solutions in systems of semi-linear partial differential equations, with a particular empha…

math.AP2024

Constructive proofs of existence and stability of solitary waves in the Whitham and capillary-gravity Whitham equations

Matthieu Cadiot

In this manuscript, we present a method to prove constructively the existence and spectral stability of solitary waves in both the Whitham and the capillary-gravity Whitham equatio…

math.AP2024★ 10 cited

Stationary non-radial localized patterns in the planar Swift-Hohenberg PDE: constructive proofs of existence

Matthieu Cadiot, Jean-Philippe Lessard, Jean-Christophe Nave

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 equatio…

math.AP2023

Rigorous computation of solutions of semi-linear PDEs on unbounded domains via spectral methods

Matthieu Cadiot, Jean-Philippe Lessard, Jean-Christophe Nave

In this article we present a general method to rigorously prove existence of strong solutions to a large class of autonomous semi-linear PDEs in a Hilbert space $H^{l}\subset H^{s}…