Browder-Krasnoselskii-type fixed point theorems in Banach spaces.
Agarwal, Ravi P., O'Regan, Donal, Taoudi, Mohamed-Aziz (2010)
Fixed Point Theory and Applications [electronic only]
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Agarwal, Ravi P., O'Regan, Donal, Taoudi, Mohamed-Aziz (2010)
Fixed Point Theory and Applications [electronic only]
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Donal O'Regan (2000)
Archivum Mathematicum
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A number of fixed point theorems are presented for weakly contractive maps which have weakly sequentially closed graph. Our results automatically lead to new existence theorems for differential inclusions in Banach spaces relative to the weak topology.
Giovanni Emmanuele (2004)
Commentationes Mathematicae Universitatis Carolinae
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Using some known lifting theorems we present three-space property type and permanence results; some of them seem to be new, whereas other are improvements of known facts.
Diómedes Bárcenas (1991)
Extracta Mathematicae
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K. Kuperberg, W. Kuperberg (1971)
Colloquium Mathematicae
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Belmesnaoui Aqzzouz, Jawad Hmichane (2009)
Mathematica Bohemica
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We establish some properties of the class of order weakly compact operators on Banach lattices. As consequences, we obtain some characterizations of Banach lattices with order continuous norms or whose topological duals have order continuous norms.