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Proceedings of the American Mathematical Society
ISSN 1088-6826 (e) ISSN 0002-9939 (p)
     

Note on the topological degree of the subdifferential of a lower semi-continuous convex function

Author(s): Sergiu Aizicovici; Yuqing Chen
Journal: Proc. Amer. Math. Soc. 126 (1998), 2905-2908.
MSC (1991): Primary 47H10, 47H15; Secondary 55M25
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Abstract: The purpose of the present paper is to prove that the topological degree of the subdifferential of a coercive lower semi-continuous function on a sufficiently large ball in a reflexive Banach space is equal to one.


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Additional Information:

Sergiu Aizicovici
Affiliation: Department of Mathematics, Ohio University, Athens, Ohio 45701-2979
Email: aizicovi@bing.math.ohiou.edu

Yuqing Chen
Affiliation: Department of Mathematics, Ohio University, Athens, Ohio 45701-2979
Email: yuqchen@bing.math.ohiou.edu

DOI: 10.1090/S0002-9939-98-04529-8
PII: S 0002-9939(98)04529-8
Keywords: Monotone operator, class $(S_+)$, topological degree
Received by editor(s): February 25, 1997
Communicated by: Palle E. T. Jorgensen
Copyright of article: Copyright 1998, American Mathematical Society


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