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Converting uniform homotopies into Lipschitz homotopies via moduli of continuity
Topology and its Applications ( IF 0.6 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.topol.2020.107377
Luofei Liu , Hanfu Yu , Ye Liu

Abstract We give a simple procedure to convert a uniform homotopy F into a Lipschitz homotopy H for a large class of domain and target spaces. In this procedure, we use the modulus of continuity of F to estimate the Lipschitz constant of H. For Lipschitz homotopy in the time direction, our result is related to a theorem due to A. Calder and J. Siegel. As an application of our result, a Lipschitz version of a theorem of J. West is given.

中文翻译:

通过连续模将一致同伦转换为 Lipschitz 同伦

摘要 我们给出了一个简单的过程,用于将统一同伦 F 转换为一大类域和目标空间的 Lipschitz 同伦 H。在此过程中,我们使用 F 的连续性模数来估计 H 的 Lipschitz 常数。对于时间方向上的 Lipschitz 同伦,我们的结果与 A. Calder 和 J. Siegel 的定理有关。作为我们结果的应用,给出了 J. West 定理的 Lipschitz 版本。
更新日期:2020-11-01
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