Results 1 to 10 of about 150 (59)
Existence and Multiplicity of Weak Solutions for a Neumann Elliptic Problem with -Laplacian [PDF]
Nonautonomous Dynamical Systems, 2020 We are interested in the existence of multiple weak solutions for the Neumann elliptic problem involving the anisotropic -Laplacian operator, on a bounded domain with smooth boundary.
Bohner Martin +3 more
doaj +3 more sources
Population models in almost periodic environments [PDF]
Journal of Difference Equations and Applications, 2007 We establish the basic theory of almost periodic sequences on Ζ+. Dichotomy techniques are then utilized to find sufficient conditions for the existence of a globally attracting almost periodic solution of a semilinear system of difference equations ...
Toka Diagana, Saber Elaydi
exaly +2 more sources
Global asymptotic behaviour of positive solutions to a non-autonomous Nicholson's blowflies model with delays. [PDF]
J Biol Dyn, 2014 Van Hien L.
europepmc +2 more sources
New criteria for the existence of periodic and almost periodic solutions for some evolution equations in Banach spaces [PDF]
, 2004 In this work we give a new criteria for the existence of periodic and almost periodic solutions for some differential equation in a Banach space. The linear part is nondensely defined and satisfies the Hille-Yosida condition.
Ezzinbi, K., Jazar, M.
core +10 more sources
Almost periodic generalized solutions of differential equations [PDF]
, 2021 summary:The paper aims to study systems of linear ordinary differential equations in the context of an algebra of almost periodic generalized ultradistributions.
Bouzar, Chikh, Ouikene, Fethia
core +1 more source
Nonautonomous Dynamical Systems, 2020 The aim of this work is to give sufficient conditions ensuring that the space PAP(, X, µ) of µ-pseudo almost periodic functions and the space PAA(, X, µ) of µ-pseudo almost automorphic functions are invariant by the convolution product f = k * f, k ...
Béssémè Fritz Mbounja +4 more
doaj +1 more source
Nonautonomous Dynamical Systems, 2018 The purpose of this work is to give sufficient conditions which guarantee the existence and the uniqueness of positive μ-pseudo almost periodic solutions for the nonlinear infinite delay integral equation . We improve the original work of [H. S. Ding, Y.
Ezzinbi Khalil, Ziat Mohamed
doaj +1 more source
Almost Periodic Solutions of C-well-posed Evolution Equations [PDF]
, 2006 This paper is concerned with the existence and uniqueness of almost periodic mild solutions of evolution equations of the form u(t) = Au(t) + ƒ(t) where A is the generator of a holomorphic Csemigroup on a Banach space and ƒ is an almost periodic function.
Minh, Nguyen Van
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Effective Reducibility of Quasi-Periodic Linear Equations close to Constant Coefficients [PDF]
, 2016 Let us consider the differential equation $$ \dot{x}=(A+\varepsilon Q(t,\varepsilon))x, \;\;\;\; |\varepsilon|\le\varepsilon_0, $$ where A is an elliptic constant matrix and Q depends on time in a quasi-periodic (and analytic) way.
Jorba i Monte, Àngel +2 more
core +1 more source
Open Mathematics, 2017 This paper is concerned with the existence and uniqueness of asymptotically almost automorphic solutions to differential equations with piecewise constant argument. To study that, we first introduce several notions about asymptotically almost automorphic
Ding Hui-Sheng, Wan Shun-Mei
doaj +1 more source