Results 41 to 50 of about 13,183 (198)

On qualitative behavior of multiple solutions of quasilinear parabolic functional equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2020
We shall consider weak solutions of initial-boundary value problems for semilinear and nonlinear parabolic differential equations for $t\in (0,\infty )$ with certain nonlocal terms.
László Simon
doaj   +1 more source

Convergence of quasilinear parabolic equations to semilinear equations

open access: yesDiscrete and Continuous Dynamical Systems - B, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Bezerra, Flank D. M.   +2 more
openaire   +2 more sources

On the principle of linearized stability for quasilinear evolution equations in time‐weighted spaces

open access: yesMathematische Nachrichten, Volume 298, Issue 12, Page 3939-3959, December 2025.
Abstract Quasilinear (and semilinear) parabolic problems of the form v′=A(v)v+f(v)$v^{\prime }=A(v)v+f(v)$ with strict inclusion dom(f)⊊dom(A)$\mathrm{dom}(f)\subsetneq \mathrm{dom}(A)$ of the domains of the function v↦f(v)$v\mapsto f(v)$ and the quasilinear part v↦A(v)$v\mapsto A(v)$ are considered in the framework of time‐weighted function spaces ...
Bogdan‐Vasile Matioc   +2 more
wiley   +1 more source

Systems of Quasilinear Parabolic Equations with Discontinuous Coefficients and Continuous Delays

open access: yesAdvances in Difference Equations, 2011
This paper is concerned with a weakly coupled system of quasilinear parabolic equations where the coefficients are allowed to be discontinuous and the reaction functions may depend on continuous delays.
Tan Qi-Jian
doaj   +2 more sources

On an Inverse Problem for Quasilinear Parabolic Equations

open access: yesTokyo Journal of Mathematics, 1998
Under specific conditions the problem of identifying the parameter function \(a(x,u)\) in the initial-boundary value problem \[ u_t- a(x,u) u_{xx}= 0,\quad ...
openaire   +3 more sources

Quasilinear Degenerate Evolution Systems Modelling Biofilm Growth: Well‐Posedness and Qualitative Properties

open access: yesMathematical Methods in the Applied Sciences, Volume 48, Issue 16, Page 14890-14908, 15 November 2025.
ABSTRACT We analyze nonlinear degenerate coupled partial differential equation (PDE)‐PDE and PDE‐ordinary differential equation (ODE) systems that arise, for example, in the modelling of biofilm growth. One of the equations, describing the evolution of a biomass density, exhibits degenerate and singular diffusion.
K. Mitra, S. Sonner
wiley   +1 more source

Quasilinear class of noncoercive parabolic problems with Hardy potential and L1-data

open access: yesNonautonomous Dynamical Systems, 2023
In this article, we study the following noncoercive quasilinear parabolic problem ∂u∂t−diva(x,t,u,∇u)+ν∣u∣s−1u=λ∣u∣p−2u∣x∣p+finQT,u=0onΣT,u(x,0)=u0inΩ,\left\{\begin{array}{ll}\frac{\partial u}{\partial t}-\hspace{0.1em}\text{div}\hspace{0.1em}a\left(x,t ...
Ahmedatt Taghi   +2 more
doaj   +1 more source

Rate of Convergence of Implicit Approximations for stochastic evolution equations [PDF]

open access: yes, 2006
Stochastic evolution equations in Banach spaces with unbounded nonlinear drift and diffusion operators are considered. Under some regularity condition assumed for the solution, the rate of convergence of implicit Euler approximations is estimated under ...
Gyöngy, Istvan, Millet, Annie
core   +6 more sources

Muskat–Leverett Two‐Phase Flow in Thin Cylindric Porous Media: Asymptotic Approach

open access: yesStudies in Applied Mathematics, Volume 155, Issue 5, November 2025.
ABSTRACT A reduced‐dimensional asymptotic modeling approach is presented for the analysis of two‐phase flow in a thin cylinder with an aperture of order O(ε)$\mathcal {O}(\varepsilon)$, where ε$\varepsilon$ is a small positive parameter. We consider a nonlinear Muskat–Leverett two‐phase flow model expressed in terms of a fractional flow formulation and
Taras Mel'nyk, Christian Rohde
wiley   +1 more source

Meshless Galerkin method based on RBFs and reproducing Kernel for quasi-linear parabolic equations with dirichlet boundary conditions

open access: yesMathematical Modelling and Analysis, 2021
The main aim of this paper is to present a hybrid scheme of both meshless Galerkin and reproducing kernel Hilbert space methods. The Galerkin meshless method is a powerful tool for solving a large class of multi-dimension problems.
Mehdi Mesrizadeh, Kamal Shanazari
doaj   +1 more source

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