Results 1 to 10 of about 122 (36)
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
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Almost periodic skew-symmetric differential systems [PDF]
, 2012 We analyse solutions of almost periodic skew-symmetric homogeneous linear differential systems. We prove that in any neighbourhood of such a system there exists an almost periodic skew-symmetric system which does not possess any non-trivial almost ...
Veselý, M.
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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
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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
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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
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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
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Almost Periodic and Asymptotically Almost Periodic Solutions of Liénard Equations [PDF]
, 2011 The aim of this paper is to study the almost periodic and asymptotically almost periodic solutions on (0,+1) of the Li´enard equation x′′ + f(x)x′ + g(x) = F(t), where F : T !
B. A. Shcherbakov +16 more
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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
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A Nekhoroshev Theorem for some Infinite Dimensional Systems [PDF]
, 2006 We study the persistence for long times of the solutions of some infinite--dimensional discrete hamiltonian systems with {\it formal hamiltonian} $\sum_{i=1}^\infty h(A_i) + V(\vp),$ $(A,\vp)\in {\Bbb R}^{\Bbb N}\times {\Bbb T}^{\Bbb N}.$ $V(\vp)$ is
Perfetti, P
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