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1488 Total, 149 Pages | << First < Previous 136 137 138 139 140 141 142 Next > Last >>

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	1. Multiple Periodic Solutions for Discrete Hamiltonian Systems
	Jianshe Yu,Honghua Bin,Zhiming Guo
	Mathematics 12 December 2005
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	Abstract:Several existence results of multiple periodic solutions for discrete Hamiltonian system are established. In this paper two cases are discussed which the nonlinearity is either asymptotically linear or superlinear at infinity. The approach used here is based on Morse theory.
	TO cite this article:Jianshe Yu,Honghua Bin,Zhiming Guo. Multiple Periodic Solutions for Discrete Hamiltonian Systems[OL].[12 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4232


	2. Periodic Solutions for Discrete Convex Hamiltonian Systems via Clarke Duality
	Jianshe Yu,Honghua Bin,Zhiming Guo
	Mathematics 12 December 2005
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	Abstract:Based on the Legendre transform, the dual action functional which corresponds to discrete Hamiltonian systems is given. In this paper, the existence of periodic solution for discrete convex Hamiltonian systems with forcing terms is obtained by using the dual least action principle and perturbation technique.
	TO cite this article:Jianshe Yu,Honghua Bin,Zhiming Guo. Periodic Solutions for Discrete Convex Hamiltonian Systems via Clarke Duality[OL].[12 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4231

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	3. Practical forms of Green’s function for computing atmospheric loading
	Li Yingbing
	Mathematics 05 December 2005
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	Abstract:Base on ideal atmospheric, the relation between gravitation above the earth and the pressure on the earth’s surface are presented. The problem of atmospheric gravitation Green’s function can be converted the only depend on the atmospheric pressure on the earth’s surface. The forms for computing Earth\
	TO cite this article:Li Yingbing. Practical forms of Green’s function for computing atmospheric loading[OL].[ 5 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4085


	4. A Necessary Condition for Irregular Wavelet Frames
	Yang Shouyuan,Zhou Xingwei
	Mathematics 05 December 2005
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	Abstract:The main purpose of this note is to investigate the admissibility condition of irregular wavelet frames. We prove that if the system {ψ(l) m,n = s.1/2 m ψ(l)(s.1 m · .tn) : m, n ∈ Z, l = 1, 2, · · · ,N} constitute a frame for L2(R), then the integral dξ ξ.1N l=1 \| . ψ(l)(ξ)\|2 is bounded up and below. Furthermore, we give a specific estimate for the upper and lower bounds, which extends Daubechies’ result to irregular wavelet frames.
	TO cite this article:Yang Shouyuan,Zhou Xingwei. A Necessary Condition for Irregular Wavelet Frames[OL].[ 5 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4080


	5. fOn Stochastic Ordering for Diffusion with Jumps and Applications
	Xinsheng Zhang
	Mathematics 05 December 2005
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	Abstract:In this paper, we consider the stochastic ordering for diffusion processes with jumps and obtain a comparison theorem for these processes. Then, we apply it to discuss the existence and uniqueness of invariant probability measure for uniformly elliptic diffusion processes with jumps.
	TO cite this article:Xinsheng Zhang. fOn Stochastic Ordering for Diffusion with Jumps and Applications[OL].[ 5 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4066


	6. h-Stability of a Nonlinear Functional Differetial System
	Shengfu Deng,Weinian Zhang
	Mathematics 02 December 2005
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	Abstract:In this paper we consider a general form of nonlinear functional differential system where a continuous operator is involved. We give a condition under which the system is h-stable. Our theorem generalizes results by S.K. Choi and his co-authors.
	TO cite this article:Shengfu Deng,Weinian Zhang. h-Stability of a Nonlinear Functional Differetial System[OL].[ 2 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4056


	7. Computation of Elliptic Functions for Subharmonic Bifurcation in a Power Transmission System
	Xingwu Chen,Weinian Zhang
	Mathematics 02 December 2005
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	Abstract:In order to control oscillation with large deviation, a nonlinear nonautonomous power transmission system is discussed. In this paper we show the techniques in computation of elliptic functions, which are employed in determining subharmonic bifurcation of the system.
	TO cite this article:Xingwu Chen,Weinian Zhang. Computation of Elliptic Functions for Subharmonic Bifurcation in a Power Transmission System[OL].[ 2 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4055


	8. The Method of Lower and Upper Solutions for Fourth Order
	Wei zhongli
	Mathematics 30 November 2005
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	Abstract:This paper investigates the existence of positive solutions for fourth order singular $m$-point boundary value problems. Firstly, we establish a comparison theorem, then we define a partial ordering in $ C^2 [a,b]\cap C^4(a,b)$ and construct lower and upper solutions to give a necessary and sufficient condition for the existence of $C^2[0,1]$ as well as $C^3[0,1]$ positive solutions. Our nonlinearity $f(t,x,y)$ may be singular at $x,\ y, \ t=0$ and /or $t=1$.
	TO cite this article:Wei zhongli. The Method of Lower and Upper Solutions for Fourth Order[OL].[30 November 2005] http://en.paper.edu.cn/en_releasepaper/content/3966


	9. A Note on Distributivity of Open Filter Domains
	Huang Fangping,Liang Jihua,Kou Hui
	Mathematics 30 November 2005
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	Abstract:Filters and open filters are useful utilities to explore structures of domains. In this paper, it is proved that for a continuous distributive semilattice $L$, $OFilt(L)$ is a distributive lattice iff $L$ is stably continuous. And an example is given to show that in the general case, the distributivity of $L$ cannot imply that of $OFilt(L)$.
	TO cite this article:Huang Fangping,Liang Jihua,Kou Hui. A Note on Distributivity of Open Filter Domains [OL].[30 November 2005] http://en.paper.edu.cn/en_releasepaper/content/3916


	10. Lower boundary hyperplanes of the canonical left cells in the affine Weyl group Wa（An-1）
	Shi Jianyi
	Mathematics 23 November 2005
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	Abstract:Let F be any canonical left cell of the affine Weyl group Wa of type A. We describe the lower boundary hyperplanes for F, which answer two questions of Humphreys.
	TO cite this article:Shi Jianyi. Lower boundary hyperplanes of the canonical left cells in the affine Weyl group Wa（An-1）[OL].[23 November 2005] http://en.paper.edu.cn/en_releasepaper/content/3751

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