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In this paper we study, both numerically and analytically, the asymptotic behavior of the principal eigenfunction of \eqref{1.1}, normalized by \eqref{1.2}, as $s\uparrow +\infty$. Based on the numerical computations of this paper, we can…

Analysis of PDEs · Mathematics 2025-09-18 S. Cano-Casanova , J. López-Gómez , M. Molina-Meyer

We study the existence and multiplicity of periodic weak solutions for a non-local equation involving an odd subcritical nonlinearity which is asymptotically linear at infinity. We investigate such problem by applying the the pseudo-index…

Analysis of PDEs · Mathematics 2018-09-06 Vincenzo Ambrosio , Giovanni Molica Bisci

In this paper we analyze the asymptotic behavior of several fractional eigenvalue problems by means of Gamma-convergence methods. This method allows us to treat different eigenvalue problems under a unified framework. We are able to recover…

Analysis of PDEs · Mathematics 2019-12-05 Julián Fernández Bonder , Analía Silva , Juan F. Spedaletti

We prove new existence and uniqueness results for weak solutions to non-homogeneous initial-boundary value problems for parabolic equations modeled on the evolution of the p-Laplacian.

Analysis of PDEs · Mathematics 2008-09-22 Magnus Fontes

In this paper we consider an initial boundary value problem for a semilinear parabolic equation with absorption and nonlinear nonlocal Neumann boundary condition. We prove comparison principle, the existence theorem of a local solution and…

Analysis of PDEs · Mathematics 2016-02-17 Alexander Gladkov

We study the existence of non-trivial, non-negative periodic solutions for systems of singular-degenerate parabolic equations with nonlocal terms and satisfying Dirichlet boundary conditions. The method employed in this paper is based on…

Analysis of PDEs · Mathematics 2014-02-10 Genni Fragnelli , Dimitri Mugnai , Paolo Nistri , Duccio Papini

We prove the existence of quasi-periodic solutions for wave equations with a multiplicative potential on T^d, d \geq 1, and finitely differentiable nonlinearities, quasi-periodically forced in time. The only external parameter is the length…

Analysis of PDEs · Mathematics 2015-06-04 Massimiliano Berti , Philippe Bolle

In this paper we characterize the limiting behavior of the principal eigenvalue, $\s_1[-\D,\b,\O]$, of the boundary value problem \eqref{1.1} as the Lebesgue measure of the underlying domain, $\O$, tends to zero. Naturally, the domains $\O$…

Analysis of PDEs · Mathematics 2026-03-19 J. Lopez-Gomez , A. Sahuquillo

We are considering the asimptotic behavior as $t\to\infty$ of solutions of the Cauchy problem for parabolic second order equations with time periodic coefficients. The problem is reduced to considering degenerate time-homogeneous diffusion…

Analysis of PDEs · Mathematics 2021-07-13 R. Z. Khasminskii , N. V. Krylov

We prove global existence and blow-up of solutions of initial-boundary value problem for nonlinear nonlocal parabolic equation with nonlinear nonlocal boundary condition. Obtained results depend on the behavior of variable coefficients for…

Analysis of PDEs · Mathematics 2020-05-20 Alexander Gladkov , Tatiana Kavitova

Hyperbolic systems of the first and higher-order partial differential equations appear in many multiphysics problems. We will be dealing with a wave propagation problem in a piece-wise homogeneous medium. Mathematically, the problem is…

Analysis of PDEs · Mathematics 2025-03-28 Kayyunnapara Divya Joseph

We consider the algebraic form of a generalized Lame equation with five free parameters. By introducing a generalization of Jacobi's elliptic functions we transform this equation to a 1-dim time-independent Schroedinger equation with…

Mathematical Physics · Physics 2012-10-02 Michael Pawellek

An abstract framework guaranteeing the local continuous differentiability of the value function associated with optimal stabilization problems subject to abstract semilinear parabolic equations subject to a norm constraint on the controls…

Optimization and Control · Mathematics 2023-05-19 Karl Kunisch , Buddhika Priyasad

It is studied the Hilbert boundary value problem for the nondegenerate Beltrami equations in domains $D$ of the complex plane $\mathbb C$ with the so--called quasihyperbolic boundary condition. It is proved the existence of solutions of…

Complex Variables · Mathematics 2019-11-22 V. Gutlyanskii , V. Ryazanov , E. Yakubov , A. Yefimushkin

In this paper, we study the large time behavior of solutions of a class of parabolic fully nonlinear integro-differential equations in a periodic setting. In order to do so, we first solve the ergodic problem}(or cell problem), i.e. we…

Analysis of PDEs · Mathematics 2014-04-30 Guy Barles , Emmanuel Chasseigne , Adina Ciomaga , Cyril Imbert

We study uniqueness of solutions to degenerate parabolic problems, posed in bounded domains, where no boundary conditions are imposed. Under suitable assumptions on the operator, uniqueness is obtained for solutions that satisfy an…

Analysis of PDEs · Mathematics 2020-11-25 Camilla Nobili , Fabio Punzo

We study local regularity properties of linear, non-uniformly parabolic finite-difference operators in divergence form related to the random conductance model on $\mathbb Z^d$. In particular, we provide an oscillation decay assuming only…

Probability · Mathematics 2020-09-25 Peter Bella , Mathias Schäffner

We consider a singular perturbed eigenvalue problem for Laplace operator in a cylinder with frequent interchange of type of boundary condition on a lateral surface. These boundary conditions are prescribed by partition of lateral surface in…

Mathematical Physics · Physics 2007-05-23 Denis I. Borisov

Let $u$ be an eigenfunction of the Laplacian on a compact manifold with boundary, with Dirichlet or Neumann boundary conditions, and let $-\lambda^2$ be the corresponding eigenvalue. We consider the problem of estimating the maximum of $u$…

Spectral Theory · Mathematics 2007-05-23 D. Grieser

We investigate a general nonhomogeneous parabolic initial-boundary value problem in some anisotropic H\"ormander inner product spaces. We prove that the operators corresponding to this problem are isomorphisms between appropriate…

Analysis of PDEs · Mathematics 2016-10-24 V. M. Los , V. A. Mikhailets , A. A. Murach