Some generalizations of fixed point theorems of Caristi type and Mizoguchi-Takahashi type under relaxed conditions
DOI10.1007/S00574-018-0117-5OpenAlexW2895324718WikidataQ129128982 ScholiaQ129128982MaRDI QIDQ2326939
Publication date: 10 October 2019
Published in: Bulletin of the Brazilian Mathematical Society. New Series (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1007/s00574-018-0117-5
Caristi's fixed point theoremapproximate fixed point propertyMizoguchi-Takahashi's fixed point theoremessential distance\({{\mathcal{M}}}{{\mathcal{T}}}(\lambda )\)-function\({{\mathcal{M}}}{{\mathcal{T}}}\)-function \(({\mathcal{R}}\)-function)below sequentially lower semicontinuous from aboveuniformly below sequentially lower semicontinuous from above
Set-valued maps in general topology (54C60) Fixed-point theorems (47H10) Set-valued operators (47H04) Fixed-point and coincidence theorems (topological aspects) (54H25)
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