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partially supported by the foundation of the research item of Strong Department of Engineering Innovation, which is sponsored by the Strong School of Engineering Innovation of Hanshan Normal University, China, 2013;partially supported by National Natural Science Foundation of China (No. 11371379)
In this paper, some results on the upper convex densities of self-similar sets at the contracting-similarity fixed points are discussed. Firstly, a characterization of the upper convex densities of self-similar sets a...
In this paper, by providing some different conditions respect to another works, we shall present two results on absolute retractivity of some sets related to some multifunctions of the form F : X × X → Pb,cl (X),...
Supported in part by the Foundations of Education Ministry, Anhui Province, China (No: KJ2008A028);Education Ministry, Hubei Province, China (No: D20102502)
S. Hu and Y. Sun[1] defined the fixed point index for weakly inward mappings, investigated its properties and studied fixed points for such mappings. In this paper, following S. Hu and Y. Sun, we further investigate b...
In [Canada Math. Bull. 22, pp. 513–515, 1979], the author extended an interesting (best approximation) theorem of Ky Fan [see Theorem 2, Math. Z. 112, pp. 234–240] to condensing maps defined on a closed ball in a Ba...