A common fixed point theorem for two mappings in generalized d - metric space is given , which extend the known results 摘要给出了一般d -度量空间2个自映射的公共不动点定理,所得结论推广了现有文献中的主要结果。
In this paper , we introduce a type of contractive mapping and obtain the esistence of its fixed point theorems . the result generalizes the result of 摘要研究了一类压缩型映射,得到其不动点的存在性定理,所得结果推广了文中相应的结论。
In this paper , we show the existence of the multiple positive solutions of a class of three - order boundary value problems via the fixed point theorem on cone 摘要利用锥拉伸与锥压缩不动点定理研究了一类三阶两点边值问题的无穷多个正解。
By using a fixed point theorem in cones , we investigate a second - order equation and the theorem of existence of unique positive periodic solution is given 摘要应用不动点定理,研究了一类二阶时滞微分方程,给出了其唯一周期正解的存在性定理。
In this paper we define the concept of order non - expansive operator , and investigate the fixed point existence problem , obtained some fixed point theorems 摘要引入了序非扩张算子的概念,并研究了这种算子不动点的存在问题,得到了几个不动点定理。
In this paper , common fixed point theorems for converse commuting selfmaps on a metric space have been proved . the theorems are different from the related results 摘要通过引入度量空间中的反交换映射,证明了一个公共不动点定理。这一结果不同于相关的文献。
In [ 4 , 5 ] , the authors used the krasnoselski ' s fixed point theorem in cones to establish the existence of multiple positive solutions when f is superlinear or sublinear 在文[ 4 , 5 ]中,作者应用krasnoselski ' s锥不动点定理证明了当f超线性或次线性时多个正解的存在性
At first , using fixed point theorem , we establish the sufficient conditions which guarantee the existence , uniqueness , uniform stability of periodic solutions for the equations 首先,我们利用不动点定理,建立了保证该类方程周期解的存在性、唯一性及一致稳定性的充分条件。
We studied the existence of random fixed points of nonexpansive random semiclosed 1 - set contractive mappings around a constant point and obtained the corresponding random fixed point theorems 摘要研究了定点非扩张随机半闭1 -集压缩映象的随机不动点的存在性问题,获得了相应的随机不动点定理。