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Halpern, B. R.; Bergman, G. M.

A fixed-point theorem for inward and outward maps. (English) Zbl 0153.45602

Trans. Am. Math. Soc. 130, 353-358 (1968).
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Cited in 3 Reviews
Cited in 62 Documents

Keywords:

functional analysis
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References:

[1] Nelson Dunford and Jacob T. Schwartz, Linear operators, Part I, Interscience, New York, 1964. · Zbl 0084.10402
[2] A. Tychonoff, Ein Fixpunktsatz, Math. Ann. 111 (1935), no. 1, 767 – 776 (German). · Zbl 0012.30803 · doi:10.1007/BF01472256
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