期刊
FIXED POINT THEORY
卷 19, 期 2, 页码 587-594出版社
HOUSE BOOK SCIENCE-CASA CARTII STIINTA
DOI: 10.24193/fpt-ro.2018.2.46
关键词
Stationary point; fixed point; approximate stationary point property; ultrametric spaces
In this paper we show that contractive set-valued mappings on spherically complete ultrametric spaces have stationary (or end) points if they have the approximate stationary point property. We also extend some known fixed point results to nonexpansive set-valued mappings.
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