A non-symmetric singular cauchy problem |
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Authors: | WJ Walker |
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Institution: | Department of Mathematics , University of Auckland , Auckland , New Zealand |
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Abstract: | In this paper we replace uniformly convex (or reflexive and normal structure) as required by Browder and Kirk, by uniformly normal structure to obtain a fixed point theorem for non-expansive self mappings. Examples are given to show that spaces with uniformly normal structure are not all uniformly convex and spaces with normal structure do not all have uniformly normal structure. AMS (MOS) subject classification (1970) Primary 47410. |
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Keywords: | Two-timing small amplitude conservative nonlinear |
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