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Publication:3971894
zbMath0737.46005MaRDI QIDQ3971894
Publication date: 25 June 1992
Full work available at URL: http://www.labmath.uqam.ca/~annales/volumes/14-2.html
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
pseudocontractive operatorsBirkhoff-James' orthogonality relationmeasure of the degree of symmetrymetric characterization of inner product
Geometry and structure of normed linear spaces (46B20) Contraction-type mappings, nonexpansive mappings, (A)-proper mappings, etc. (47H09) Characterizations of Hilbert spaces (46C15)
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