Results 21 to 30 of about 181 (48)
A Picone identity for variable exponent operators and applications
In this work, we establish a new Picone identity for anisotropic quasilinear operators, such as the p(x)-Laplacian defined as div(|∇ u|p(x)−2 ∇ u).
Arora Rakesh+2 more
doaj +1 more source
In this paper we propose a counterexample to the validity of the Comparison Principle and of the Sub and Supersolution Method for nonlocal problems like the stationary Kirchhoff Equation.
Iturriaga, Leonelo, Massa, Eugenio
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Lipschitz regularity for integro-differential equations with coercive hamiltonians and application to large time behavior [PDF]
In this paper, we provide suitable adaptations of the "weak version of Bernstein method" introduced by the first author in 1991, in order to obtain Lipschitz regularity results and Lipschitz estimates for nonlinear integro-differential elliptic and ...
Barles, Guy, Ley, Olivier, Topp, Erwin
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Global Dynamics of Generalized Logistic Equations
We consider a parameter dependent parabolic logistic population model with diffusion and degenerate logistic term allowing for refuges for the population.
Daners Daniel, López-Gómez Julián
doaj +1 more source
Quasilinear elliptic equations with critical potentials
We study Liouville theorems for problems of the ...
D’Ambrosio Lorenzo, Mitidieri Enzo
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On the weakly competitive case in a two-species chemotaxis model
In this article we investigate a parabolic-parabolic-elliptic two-species chemotaxis system with weak competition and show global asymptotic stability of the coexistence steady state under a smallness condition on the chemotactic strengths, which seems ...
Black, Tobias+2 more
core +1 more source
Problems for P-Monge-Ampere Equations [PDF]
2010 Mathematics Subject Classification: 35A23, 35B51, 35J96, 35P30, 47J20, 52A40.We consider the homogeneous Dirichlet problem for a class of equations which generalize the p-Laplace equations as well as the Monge- Amp`ere equations in a strictly convex
Anedda, Claudia+2 more
core +2 more sources
Uniqueness and comparison principles for semilinear equations and inequalities in Carnot groups
Variants of the Kato inequality are proved for distributional solutions of semilinear equations and inequalities on Carnot groups. Various applications to uniqueness, comparison of solutions and Liouville theorems are presented.
D’Ambrosio Lorenzo, Mitidieri Enzo
doaj +1 more source
Monotonicity and symmetry of singular solutions to quasilinear problems
We consider singular solutions to quasilinear elliptic equations under zero Dirichlet boundary condition. Under suitable assumptions on the nonlinearity we deduce symmetry and monotonicity properties of positive solutions via an improved moving plane ...
Esposito, Francesco+2 more
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Regularity Results and Large Time Behavior for Integro-Differential Equations with Coercive Hamiltonians [PDF]
In this paper we obtain regularity results for elliptic integro-differential equations driven by the stronger effect of coercive gradient terms. This feature allows us to construct suitable strict supersolutions from which we conclude H\"older estimates ...
Barles, Guy+3 more
core +6 more sources