Gorniewicz, Lech Fixed point theorems for multi-valued maps of subsets of Euclidean spaces. (English) Zbl 0409.55002 Bull. Acad. Pol. Sci., Sér. Sci. Math. 27, 111-116 (1979). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 55M20 Fixed points and coincidences in algebraic topology 54C60 Set-valued maps in general topology 54C08 Weak and generalized continuity 54C10 Special maps on topological spaces (open, closed, perfect, etc.) Keywords:Cech homology; multi-valued upper semi-continuous map; fixed point; n- sherical map PDFBibTeX XMLCite \textit{L. Gorniewicz}, Bull. Acad. Pol. Sci., Sér. Sci. Math. 27, 111--116 (1979; Zbl 0409.55002)