Results 81 to 90 of about 6,453 (213)

Harmonic balls in Liouville quantum gravity

open access: yesProceedings of the London Mathematical Society, Volume 130, Issue 1, January 2025.
Abstract Harmonic balls are domains that satisfy the mean‐value property for harmonic functions. We establish the existence and uniqueness of harmonic balls on Liouville quantum gravity (LQG) surfaces using the obstacle problem formulation of Hele–Shaw flow.
Ahmed Bou‐Rabee, Ewain Gwynne
wiley   +1 more source

Viscosity Solutions of Fully Nonlinear Parabolic Path Dependent PDEs: Part I [PDF]

open access: yes, 2014
The main objective of this paper and the accompanying one \cite{ETZ2} is to provide a notion of viscosity solutions for fully nonlinear parabolic path-dependent PDEs.
Ekren, Ibrahim   +2 more
core   +1 more source

Development of Interfaces in Nonlinear Multidimensional Reaction‐Diffusion Equations With Parabolic p‐Laplacian Properties

open access: yesJournal of Applied Mathematics, Volume 2025, Issue 1, 2025.
This research examines the behavior of interfaces in nonlinear multidimensional reaction–diffusion equations with parabolic p‐Laplacian properties, which are applicable across a wide range of biological, physical, and chemical contexts. The value of this work lies in its contribution to understanding how interfaces behave under slow diffusion, shedding
Roqia Abdullah Jeli, Oluwole D. Makinde
wiley   +1 more source

Nonlinear Decomposition of Doob-Meyer's Type for Continuous g-Supermartingale with Uniformly Continuous Coefficient

open access: yesJournal of Applied Mathematics, 2014
We prove that a continuous g-supermartingale with uniformly continuous coeffcient g on finite or infinite horizon, is a g-supersolution of the corresponding backward stochastic differential equation. It is a new nonlinear Doob-Meyer decomposition theorem
Xuejun Shi, Long Jiang, Ronglin Ji
doaj   +1 more source

Existence of Solutions for a Nonlinear Dirichlet Problem Involving Gradient Dependent Lipschitz Convection Function

open access: yesJournal of Mathematics, Volume 2025, Issue 1, 2025.
In this paper, our goal is to prove the existence of a weak solution (in H01Ω) for a fully nonlinear Dirichlet problem with a nonmonotone (e.g., Lipschitz) convection function F that depends on ∇u, and a nonlinearity G that is not necessarily monotone and depends on the solution function u, and the higher order term is −ΔΓ(x, u) − diva(x, u, ∇u ...
Teffera M. Asfaw   +3 more
wiley   +1 more source

A dam management problem with energy production as an optimal switching problem

open access: yesApplied Stochastic Models in Business and Industry, Volume 40, Issue 6, Page 1596-1611, November/December 2024.
Abstract We consider an optimal stochastic control problem for a dam. Electrical power production is operating under an uncertain setting for electricity market prices and water level which has to be kept under control. Indeed, the water level inside the basin cannot exceed a certain threshold for safety reasons, and at the same time cannot decrease ...
Etienne Chevalier   +4 more
wiley   +1 more source

Asymptotic behavior of positive solutions of a semilinear Dirichlet problem outside the unit ball

open access: yesElectronic Journal of Differential Equations, 2013
In this article, we are concerned with the existence, uniqueness and asymptotic behavior of a positive classical solution to the semilinear boundary-value problem $$displaylines{ -Delta u=a(x)u^{sigma }quadext{in }D, cr lim _{|x|o 1}u(x)= lim_{|x|o ...
Habib Maagli   +2 more
doaj  

Existence of Positive Solutions for Non-Local Magnetic Fractional Systems

open access: yesFractal and Fractional
In this paper, the existence of a weak positive solution for non-local magnetic fractional systems is studied in the fractional magnetic Sobolev space through a sub-supersolution method combined with iterative techniques.
Tahar Bouali   +3 more
doaj   +1 more source

An elliptic system with logarithmic nonlinearity

open access: yesAdvances in Nonlinear Analysis, 2017
In the present paper, we study the existence of solutions for some classes of singular systems involving the Δp⁢(x){\Delta_{p(x)}} and Δq⁢(x){\Delta_{q(x)}} Laplacian operators. The approach is based on bifurcation theory and the sub-supersolution method
Alves Claudianor   +2 more
doaj   +1 more source

Traveling fronts of pyramidal shapes in competition-diffusion systems

open access: yesNetworks and Heterogeneous Media, 2013
It is well known that a competition-diffusion system hasa one-dimensional traveling front.This paper studies traveling front solutions of pyramidal shapesin a competition-diffusion system in $\mathbb{R}^N$ with $N\geq 2$.By using a multi-scale method,we ...
Wei-Ming Ni, Masaharu Taniguchi
doaj   +1 more source

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