... 位相形变 topological deformation 位相度 topological degree 位相嵌入 topological embedding ...
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Theory of topological degree 拓扑度理论
random topological degree 随机不动点
topological degree theorem 拓扑度定理
generalized topological degree 广义拓扑度
topological degree computation 拓扑度计算
topological degree and index 拓扑度与指数
By using the theory of topological degree, we show the existence of positive periodic solution.
然后利用拓扑度的理论确定正周期解的存在性。
参考来源 - 时变种群动力系统解的渐近性态By using topological degree theory and M-matrix theory, several sufficient conditions ensuring the existence uniqueness and global asymptotic stability of equilibrium are derived. Improve the results of some literatures.
第三章主要研究了具有分布时滞的联想记忆细胞神经网络的全局渐近稳定性,在这里我们利用了拓扑度原理来证明其平衡点是存在且唯一的,在这里我们只要求用一个M-矩阵去控制,减弱了已有一些文献要求用谱半径所需要的条件,同时也改进了已有一些文献的结果。
参考来源 - 细胞神经网络的稳定性分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Based on topological degree theory, periodic solutions for this system under impulsive conditions are studied.
利用拓扑度理论研究了在脉冲条件下这种系统的周期解。
Using topological degree the existence of anti-periodic solutions for third order differential systems is studied.
本文利用拓扑度理论研究三阶微分系统反周期解的存在性。
Some efficient tools such as topological degree theory, fixed point theory and lower and upper method have been applied.
使用的主要方法有锥上的不动点理论、拓扑度理论和上下解方法等。
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