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三阶泛函微分方程的周期解 总被引:2,自引:0,他引:2
利用Brouwer度理论得到了泛函微分方程x′″(t) ∑i=0^2[αix(i)(t) bix(i)(t-τi)] g1(x(t)) g2(x(t-τ))=p(t)存在2π周期解的充分性条件,推广了[1]中的有关结果. 相似文献
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杜雪堂 《应用数学学报(英文版)》1995,11(2):214-224
SOMEKINDSOFLIAPUNOVFUNCTIONALINSTABILITYTHEORYOFRFDEDUXUETANG(杜雪堂)(DepartmentofMathematics,HunanNormalUniversity,Changsha4100... 相似文献
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In this paper, we discuss the problem of stability of Volterra integrodifferential equationwith the decompositionwhere andin which is an matrix of functionB continuous forin which is an matrix of functionscontinuous for 0≤S≤ t<∞.According to the decomposition theory of large scale system and with the help of Liapunovfunctional, we give a criterion for concluding that the zero solution of (2) (i.e. large scale system(1)) is uniformly asymptotically stable.We also discuss the large scale system with the decompositionand give a criterion for determining that the solutions of (4) (i.e. large scale system (3)) areuniformly bounded and uniformly ultimately bounded.Those criteria are of simple forms, easily checked and applied. 相似文献
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Volterra积分微分方程解的稳定性与有界性 总被引:1,自引:0,他引:1
这里A为n×n常数矩阵,C(t,s)为n×n函数矩阵,对0≤s≤t<∞连续,f:(-∞,∞)→R~n连续。 我们规定‖·‖表示向量x=(x_1,x_2,…,x_s)~T或矩阵A=(aij)_(s×s)的模,T表示转置。我们取 相似文献
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本文给出了 Volterra 积分微分方程的零解关于部分变元的稳定性定义,并建立了几个判定定理。 相似文献
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