1) cone fixed point theorem
锥映射不动点定理
1.
In this paper,by using the Krasovskii s cone fixed point theorem,we obtain sufficient conditions for the existence of positive periodic solutions for general delayed nonlinear nonautonomous logistic equation.
应用Krasnoselskii锥映射不动点定理,研究了具一般时滞非线性非自治Logistic方程的ω-周期解的存在性,获得了存在正周期解的充分条件。
2) fixed point theorem of condensing mapping
凝聚映射的不动点定理
1.
Based on the partial order theory, Kuratowski measure of noncompactness, fixed point theorem of condensing mapping and the fixed point index theory in cones, the paper discussed the existence of solutions to the Sturm-Liouville problemsin Banach spaces and the main results are as follows:1.
本文利用半序理论，非紧性测度，凝聚映射的不动点定理及锥上的不动点指数理论，讨论了Banach空间E中Sturm-Liouville边值问题 -(p(t)u′(t))′+q(t)u(t)=f(t，u(t))，t∈[0，1] α_0u(0)-β_0p(0)u′(0)=θ，α_1u(1)+β_1p(1)u′(1)=θ，解的存在性，主要结果有： 一、通过建立新的极大值原理，讨论Banach空间中一般的Sturm-Liouville问题解的存在性，在不假定f(t，u)连续，仅假定f(t，u)满足弱Caratheodory条件，运用上下解单调迭代方法，并结合非紧性测度的性质，研究了Sturm-Liouville边值问题最大解与最小解的存在性。
3) fixed point theorem in cones
锥不动点定理
1.
It is proved that such a problem has at least two nonnegative T-periodic solutions by using fixed point theorem in cones under our reasonable conditions.
并利用锥不动点定理证明了在适当的条件下这个问题至少存在两个解。
2.
Existence is established using a fixed point theorem in cones.
研究了Logistic差分方程单个和多重周期正解的存在性理论,利用锥不动点定理证明了解的存在性,并应用本文的理论验证了一些生物数学模型。
3.
The existence of the first solution is obtained by using a nonlinear alternative of Leray-Schauder,and the second one is found by using a Krasnoselskii fixed point theorem in cones.
第一个正解的存在性是利用非线性L eray-Schauder抉择定理得到的,第二个解是利用K rasnoselsk ii锥不动点定理得到的。
4) fixed point theorem
锥不动点定理
1.
Some sufficient conditions for the existence and multiplicity solutions of positive periodic solutions were obtained by using the fixed point theorem.
讨论一类具分布时滞的微分方程正周期解问题,利用锥不动点定理,获得了这类问题正解存在性和多重性的充分条件,推广和改进了已有文献的相关结果。
2.
In this paper,we discuss the existence of positive solution for singular positive boundary value problem of second order differential equations by using a general cone fixed point theorem.
利用一个普通的锥不动点定理研究了二阶奇异非共振边值问题正解的存在性。
3.
Employing a fixed point theorem in cones,we discussed mainly the existence of positive solution to periodic problems for the first impulsive functional differential equations,obtained the existence positive periodic solutions of the problem for first impulsive functional differential equations with delay.
利用锥不动点定理研究有脉冲的一阶泛函微分方程正周期解的存在性,给出了多时滞的一阶脉冲微分方程周期解存在的充分条件,并且讨论了生态学中所提出的几类时滞脉冲微分方程模型,包括红细胞再生模型、果蝇模型和多时滞的Logistic方程等。
5) fixed point theorem in cone
锥不动点定理
1.
we present a new existence theory for muitiple positive solutions to a kind of second-order discrete periodic boundary value problems by employing a fixed point theorem in cones.
运用锥不动点定理,给出了一种二阶离散周期边值问题多重正解的新的存在性定理。
2.
This paper presents a new existence theory for positive solutions to a kind of second-order discrete periodic boundary value problems by employing a fixed point theorem in cones.
运用锥不动点定理,给出了二阶离散周期边值问题正解的新的存在性定理。
6) fixed point theorem of cone
锥上不动点定理
1.
Using the fixed point theorem of cone expansion and compression of norm type, the existence of multiple C1 [0, 1] positive solutions are given to singular three-point boundary value problems of a class of second order differential equations whereη∈(0, 1) is a constant,λ1∈(0, 1),λ2∈(1,∞),α∈C((0, 1), [0,∞)).
应用锥上不动点定理,给出了二阶三点奇异边值问题至少有两个C1[0,1]正解的存在性。
补充资料：Borel不动点定理
Borel不动点定理
Borel fixed - point theorem
B吮l不动点定理{B.限l五xe小州nt价e僻m二匆卿，T侧邓吧，f.01”聊叉B“狱班滋n卜.王j 设F为代数闭域kl二非空完全代数簇，正则地作用于犷上的连通可解代数群G(见变换的代数群扭1罗-braic goup of transformat一ons))在卜中有不动点.由这个定理可以推出代数群的B.耽l子群(Borel sub-grouP)是共扼的(Bore卜MOI洲)叉)B定理(Borel一Moro-zov theorem))，不动点定理是A.Borel([lj)证明的.Borel定理可以推广到任意域k(不一定代数封闭卜设F为在域k上定义的完全簇若连通可解k分裂群(人一sPlit grouP)G正则地作用在F上，则有理人点集V(k)或者为空集，或者它包含G的一个不动点.因此推广的Bore]子群共扼性定理是:若域k是完满的，则一个连通人定义的代数群H的极大连通可解北可裂子群，在H的k点构成的群中元素作用下互相共辘(f21)，
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参考词条