Two fixed point theorems and invariant integrals
1974 ◽
Vol 11
(1)
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pp. 15-30
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Keyword(s):
Two fixed point theorems for a subset C of a normed vector space X are established by using the concept of centre. These results differ from previous fixed point theorems in that X is assumed to have a topology T as well as a norm. The norm is required to be lower semi-continuous with respect to T and C is required to be convex, bounded with respect to the norm and compact with respect to T.
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2010 ◽
Vol 2010
(1)
◽
pp. 170253
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Keyword(s):
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1993 ◽
Vol 48
(3)
◽
pp. 353-363
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2020 ◽
Vol 9
(11)
◽
pp. 9837-9847
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1971 ◽
Vol 17
(3)
◽
pp. 245-248
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Keyword(s):