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Existence theorems for monotone operators in reflexive Banach spaces
Authors:Shin-Ya Matsushita  Wataru Takahashi
Institution:(1) Department of Information Engineering, Matsue National college of Technology, Nishi-ikuma-chou, Matsue, Shimane 690-8518, Japan;(2) Department of Mathematical and Computing Sciences, Tokyo Institute of Technology, Oh-Okayama, Meguro-ku, Tokyo 152-8552, Japan
Abstract:In this paper, we obtain an existence theorem for single-valued monotone operators in a reflexive Banach space. Using this result, we prove a fixed point theorem for nonexpansive mappings in a Hilbert space and an existence theorem for maximal monotone operators in a Banach space. Received: 3 July 2006 Revised: 15 January 2007
Keywords:Primary 47H05  Secondary 47H10  47H04
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