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We consider a class of autonomous delay-differential equations
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Xiongping Dai 《Journal of Differential Equations》2007,242(1):121-170
Consider in this paper a linear skew-product system
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Let (X,T) be a topological dynamical system and be a sub-additive potential on C(X,R). Let U be an open cover of X. Then for any T-invariant measure μ, let . The topological pressure for open covers U is defined for sub-additive potentials. Then we have a variational principle:
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Computations of critical groups and periodic solutions for asymptotically linear Hamiltonian systems
Shiwang Ma 《Journal of Differential Equations》2010,248(10):2435-3872
The purpose of this paper is two-fold. Firstly, we will give some parabolic-like conditions which improve the well-known angle conditions and allow further computations of the critical groups both at degenerate critical points and at infinity. As an application, we then consider the second-order Hamiltonian systems
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C.G.J. Roettger 《Journal of Number Theory》2005,113(1):69-83
Ledrappier introduced the following type of space of doubly indexed sequences over a finite abelian group G,
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Pedro Isaza 《Journal of Differential Equations》2009,247(6):1851-4029
In this article we prove that sufficiently smooth solutions of the Ostrovsky equation with negative dispersion:
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T. Kolokolonikov 《Journal of Differential Equations》2008,245(4):964-993
We consider the stationary Gierer-Meinhardt system in a ball of RN:
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In this article we prove that sufficiently smooth solutions of the Zakharov-Kuznetsov equation:
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Pedro Isaza 《Journal of Differential Equations》2006,230(2):661-681
In this article we consider the initial value problem for the Ostrovsky equation:
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Pedro Isaza 《Nonlinear Analysis: Theory, Methods & Applications》2010,72(11):4016-4029
In this paper we prove that sufficiently smooth solutions of the Ostrovsky equation with positive dispersion,
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We present a new method of investigating the so-called quasi-linear strongly-damped wave equations
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R. Nair 《Indagationes Mathematicae》2004,15(3):373-381
Given a subset S of Z and a sequence I = (In)n=1∞ of intervals of increasing length contained in Z, let