搜索结果: 1-15 共查到“知识库 微分学”相关记录74条 . 查询时间(2.985 秒)
In this paper, the authors prove the global existence and the large time decay estimate of solutions to Prandtl system with small initial data, which is analytical in the tangential variable. The key ...
具有时滞的复值微分系统的概周期解
复值微分系统 概周期解 时滞 不动点定理
2022/3/30
研究一类具有时滞的复值微分系统的概周期解，利用实数域上的不动点定理及相关分析技巧,得到关于该系统的概周期解的存在性及唯一性的新结果。
Energy of Harmonic Maps and Gardiner’s Formula
Harmonic maps Teichmuller space measured foliation
2015/12/17
It is shown that the usual first variational formula for the energy of a harmonic map (or equivariant harmonic map) with respect to the conformal structure on a two dimensional domain extends to case ...
A Differential Equation for Modeling Nesterov’s Accelerated Gradient Method:Theory and Insights
Differential Equation Modeling Nesterov’s Accelerated Gradient Method
2015/7/8
We derive a second-order ordinary differential equation (ODE), which is the limit of Nesterov’s accelerated gradient method. This ODE exhibits approximate equivalence to Nesterov’s scheme and thus can...
Moment inequalities for trigonometric polynomials with spectrum in curved hypersurfaces
Moment inequalities trigonometric polynomials spectrum curved hypersurfaces
2011/8/26
Abstract: Using the multilinear theory of oscillatory integral operators, we establish a square function inequality with implications to moment inequalities for discrete exponential sums which frequen...
The semiclassical limit of focusing NLS for a family of non-analytic initial data
semiclassical limit non-analytic initial data NLS
2011/7/7
The small dispersion limit of the focusing nonlinear Schro\"odinger equation (NLS) exhibits a rich structure of sharply separated regions exhibiting disparate rapid oscillations at microscopic scales....
On a Hamiltonian version of a 3D Lotka-Volterra system
Hamiltonian dynamics Lotka-Volterra system stability of equilibria Poincar´ e compactification energy-Casimir mapping
2011/7/7
In this paper we present some relevant dynamical properties of a 3D Lotka-Volterra system from the Poisson dynamics point of view.
一类具有时滞的捕食-被捕食模型的持久性
时滞 持久性 种群
2012/11/13
利用比较定理给出了具有时滞的捕食 被捕食模型的有界性和一致持久性的充分条件, 利用Matlab软件给出了种群模型的数值模拟结果。
多方参与下的微分对策
微分对策 多人对策 极小极大控制
2012/11/14
应用集值理论讨论以两个局中人对抗为主体、 多个局中人间接参与的一类特殊微分对策, 给出了其极小极大控制的存在性定理。
Symmetric operators with real defect subspaces of the maximal dimension. Applications to differential operators
Symmetric operator Defect subspace Self-adjoint extension
2011/2/22
Let H be a Hilbert space and let A be a simple symmetric operator in H with equal deficiency indices d := n±(A) < 1. We show that if, for all in an open interval I R, the dimension of defect subsp...
Gateaux and Frechet Derivative in Intuitionistic Fuzzy Normed Linear spaces
Intuitionistic fuzzy differentiation intuitionistic fuzzy continuity
2010/12/3
Intuitionistic Fuzzy derivative, Intuitionistic Fuzzy Gateaux derivative, Intuitionistic Fuzzy Fr´echet derivative are defined and a few of their properties are studied. The relation be-
tween ...
Intersection Theory for Generic Differential Polynomials and Differential Chow Form
Generic Differential Polynomials Differential Chow Form
2010/11/26
In this paper, an intersection theory for generic differential polynomials is presented. The intersection of an irreducible differential variety of dimension d and order h with a generic differential ...
Performance Analysis of Pulse Shaping Technique for OFDM PAPR Reduction
OFDM, PAPR sub-carriers pulse shaping multipath channels
2010/12/13
Orthogonal Frequency Division Multiplexing (OFDM) is an attractive modulation and multiple access techniques for channels with a nonflat frequency response, as it saves the need for complex equalizers...
Stability of the Recovery of Missing Samples in Derivative Oversampling
frame Riesz basis shift-invariant space sampling formulas
2010/12/3
This paper deals with the problem of reconstructing a band-limited signal when a nite subset of its samples and of its derivative are missing. The technique used, due to P.J.S.G. Ferreira, is based o...
渐近非扩张映象迭代序列的收敛性
渐近非扩张映象 不动点 具误差的Ishikawa(Mann)迭代序列
2009/10/28
用新方法研究了Banach空间中渐近非扩张映象不动点的迭代逼近问题，所得结果改进和发展了前人的结果。