Degree of mapping for nonlinear mappings of monotone type: Densely defined mapping.
The classical degree function constructed earlier for pseudomonotone mappings has been used to develop a broader degree theory of classical type for the sum of a maximal monotone map from a reflexive Banach space to its dual together with a bounded pseudomonotone map. The proof uses the generalized Yosida approximation of the maximal monotone mapping.
Browder
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Department of Mathematics, University of Chicago, Chicago, Illinois 60637.