搜索结果: 1-15 共查到“理学 nonautonomous”相关记录16条 . 查询时间(0.13 秒)
An Extension of Barbashin-Kraso vski-LaSalle Theorem to a Class of Nonautonomous Systems
Barbashin-Kraso vski-LaSalle Theorem Class of Nonautonomous Systems
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2015/9/29
An Extension of Barbashin-Kraso vski-LaSalle Theorem to a Class of Nonautonomous Systems.
Pullback attractors for a singularly nonautonomous plate equation
pullback attractors nonautonomous plate equation upper-semicontinuity
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2011/2/24
We consider the family of singularly nonautonomous plate equation with structural damping
utt + a(t, x)ut + (−)ut + (−)2u + u = f(u),in a bounded domain ⊂ Rn, with Navier bounda...
Existence of Doubly-Weighted Pseudo Almost Periodic Solutions to Some Classes of Nonautonomous Differential Equations
weight weighted pseudo-almost periodic doubly-weighted Bohr spectrum
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2011/2/21
The main objective of this paper is twofold. We first show that if the doublyweighted Bohr spectrum of an almost periodic function exists, then it is either empty or coincides with the Bohr spectrum o...
On Integrability of Nonautonomous Nonlinear Schroedinger Equations
Nonlinear Schr¨odinger equations generalized harmonic oscillators
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2011/2/21
We show, in general, how to transform nonautonomous nonlinear Schr¨odinger equation
with quadratic Hamiltonians into the standard autonomous form that is completely integrable by the familiar inverse...
Integrability of two-component nonautonomous nonlinear Schrödinger equation
two-component nonautonomous nonlinear Schrö dinger equation
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2010/11/16
We investigate the integrability of generalized nonautonomous nonlinear Schr\"odinger (NLS) equations governing the dynamics of the single- and double-component Bose-Einstein condensates (BECs). The ...
Nonautonomous "rogons" in the inhomogeneous nonlinear Schrodinger equation with variable coefficients
Inhomogeneous NLS equation with variable coefficients Similarity transformation
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2010/12/16
The analytical nonautonomous rogons are reported for the inhomogeneous nonlinear Schr¨odinger equation with variable coefficients in terms of rational-like functions by using the similarity transforma...
Viability Results for Nonautonomous DiÞerential Inclusions
Viability Results Nonautonomous DiÞ erential Inclusions
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2009/1/19
We obtain measurable viability results for the diÞerential inclusion y0(t) 2 F(t; y(t)) via the approximation of F through the Aumann integral means. The admissibility of a preorder is also stud...
APPROXIMATE CONTROLLABILITY OF NONAUTONOMOUS PAST DELAY EQUATIONS
Partial differential equations with delay semigroup resolvent approximate controllability population equation
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2008/11/25
In this paper, we study the approximate controllability of partial differential equations with
nonautonomous past delay in Lp -phase spaces. We illustrate our abstract results by the approximate
con...
Persistence and Periodic Solution on a Nonautonomous SIS Model with Delays
time delay liapunov functional persistence
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2007/12/11
An SIS model with periodic maximum infectious force, recruitment rate and the removal rate of the infectives has been investigated in this article. Sufficient conditions for the permanence and extinct...
Periodic Solution of a Nonautonomous Diffusive Food Chain System of Three Species with Time Delays
diffusive food chain system positive periodic solution
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2007/12/11
By using the continuation theorem of coincidence degree theory, the existence of a positive periodic solution for a nonautonomous diffusive food chain system of three species. { dx_1(t)/dt = x_1(t)[r_...
THE EXTINCTION IN NONAUTONOMOUS PREY-PREDATORLOTKA-VOLTERRA SYSTEMS
Nonautonomous Lotka-Volterra
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2007/12/11
In this paper some new criteria about the extinction of solutions for two dimensional nonautonomous prey-predator Lotka-Volterra systems are established. The criteria obtained improve the results by G...
Permanence in Nonautonomous Predator-prey Lotka-Voterra Systems
nonautonomous lotka-volterra system
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2007/12/10
In this paper some easily verifiable sufficient conditions on the permanence of solutions for general nonautonomous two-species predator-prey model are established. These new criteria improve and exte...
Solving Quantum-Nonautonomous System with Non-Hermitian Hamiltonians by Algebraic Method
non-Hermitian quantum-nonautonomous system
mesoscopic RLC circuit with a source
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2007/8/15
2001Vol.35No.1pp.15-18DOI:
Solving Quantum-Nonautonomous System with Non-Hermitian Hamiltonians by Algebraic Method
WEI Lian-Fu1,2 and WANG Shun-Jin3,4
1 Department of A...
GLOBALLY TOPOLOGICAL EQUIVALENCE OF NONAUTONOMOUS SYSTEMS
Nonautonomous system globally topologic
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2007/8/7
The definition of the globally topological equivalence of nonautonomous systems is introduced, and some sufficiency theorems about the globally topological equivalence of two systems are given.
ASYMPTOTIC BEHAVIOR OF NONAUTONOMOUS DIFFUSIVE LOTKA-VOLTERRA MODEL
Diffusion rate ultimately bounded domai
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2007/8/7
The purpose of this paper is to investigate the asymptotic behavior of apredator-prey model. The model is composed of two patches. The system has two species: one can dense between the two patches, bu...