An -theory for a nonlinear temporal periodic problem involving p(x)-growth structure with a strong dependence on gradients

A Charkaoui, NE Alaa - Journal of Evolution Equations, 2023 - Springer
We investigate the existence of a time-periodic solution to a nonlinear evolution equation
involving p (x)-growth conditions with irregular data. We tackle our problem in a suitable …

Degenerate parabolic equations with singular lower order terms

I de Bonis, LM De Cave - 2014 - projecteuclid.org
In this paper, we give existence and regularity results for nonlinear parabolic problems with
degenerate coercivity and singular lower order terms, whose simplest example is u_t …

On the existence of solutions for nonlinear parabolic problems with nonmonotone discontinuities

NS Papageorgiou - Journal of Mathematical Analysis and Applications, 1997 - Elsevier
In this paper we consider a nonlinear parabolic problem with a discontinuous, nonmonotone
nonlinearity. We assume the existence of an upper solution ϕ and a lower solution ψ such …

Nonnegative solutions for a class of singular parabolic problems involving p-Laplacian

I de Bonis, D Giachetti - Asymptotic Analysis, 2015 - journals.sagepub.com
We deal with the existence of nonnegative solutions to parabolic problems which are
singular in the u variable whose model is ut− Δpu= f (x, t)(1/uθ+ 1) in Ω×(0, T), u (x, t)= 0 on∂ …

[PDF][PDF] Existence of solutions to a parabolic p (x)-Laplace equation with convection term via L∞ estimates

Z Li, B Yan, W Gao - Electronic Journal of Differential Equations, 2015 - emis.de
This article is devoted to the study of the existence of weak solutions to an initial and
boundary value problem for a parabolic p (x)-Laplace equation with convection term. Using …

[PDF][PDF] Quasi-linear parabolic equations with degenerate coercivity having a quadratic gradient term

A Dall'Aglio, D Giachetti, C Leone… - Annales de l'IHP …, 2006 - numdam.org
Dall'Aglio, A.; Giachetti, D.; Leone, C.; Segura de León, S. Quasi-linear parabolic equations
with degenerate coercivity having a quadratic gradient term. Annales de l'IHP Analyse non …

Existence of renormalized solutions to a nonlinear parabolic equation in L1 setting with nonstandard growth condition and gradient term

Z Li, W Gao - Mathematical Methods in the Applied Sciences, 2015 - Wiley Online Library
Existence of renormalized solutions to a nonlinear parabolic equation in L1 setting with
nonstandard growth condition and gradient term - Li - 2015 - Mathematical Methods in the …

Regularity and nonuniqueness results for parabolic problems arising in some physical models, having natural growth in the gradient

B Abdellaoui, A Dall'Aglio, I Peral - Journal de mathématiques pures et …, 2008 - Elsevier
In this paper we study the problem: where Ω is a bounded regular domain in RN, β is a
positive nondecreasing function and f, u0 are positive functions satisfying some hypotheses …

Global existence for parabolic problems involving the p-Laplacian and a critical gradient term

A Dall'Aglio, D Giachetti, SS de Leøn - Indiana University mathematics …, 2009 - JSTOR
We study existence and regularity of solutions for nonlinear parabolic problems whose
model is \left(0.1\right){_t-div\left(|∇u|^p-2∇u\right)=β\left(u\right)|∇u|^p+f&in\mathrmΩ*0,∞ …

Local estimates and global existence for strongly nonlinear parabolic equations with locally integrable data

F Leoni, B Pellacci - Journal of Evolution Equations, 2006 - Springer
We obtain existence results for some strongly nonlinear Cauchy problems posed in R^ N
and having merely locally integrable data. The equations we deal with have as principal part …