Two topological definitions of a Nielsen number for coincidences of noncompact maps.
Andres, Jan, Väth, Martin (2004)
Fixed Point Theory and Applications [electronic only]
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Andres, Jan, Väth, Martin (2004)
Fixed Point Theory and Applications [electronic only]
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A. Suszycki (1983)
Fundamenta Mathematicae
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Andrzej Granas (1972)
Bulletin de la Société Mathématique de France
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Andrei Borisovich, Zygfryd Kucharski, Wacław Marzantowicz (1999)
Banach Center Publications
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We prove an existence and multiplicity result for solutions of a nonlinear Urysohn type equation (2.14) by use of the Nielsen and degree theory in an annulus in the function space.
Michael Powers (1972)
Fundamenta Mathematicae
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Saveliev, Peter (2005)
Fixed Point Theory and Applications [electronic only]
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Brown, Robert F. (2006)
Fixed Point Theory and Applications [electronic only]
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Mirosław Ślosarski (2010)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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This paper discusses the notion, the properties and the application of multicores, i.e. some compact sets contained in metric spaces.