Asplund, E. Positivity of duality mappings. (English) Zbl 0149.36202 Bull. Am. Math. Soc. 73, 200-203 (1967). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 36 Documents Keywords:functional analysis PDF BibTeX XML Cite \textit{E. Asplund}, Bull. Am. Math. Soc. 73, 200--203 (1967; Zbl 0149.36202) Full Text: DOI OpenURL References: [1] Arne Beurling and A. E. Livingston, A theorem on duality mappings in Banach spaces, Ark. Mat. 4 (1962), 405 – 411 (1962). · Zbl 0105.09301 [2] Felix E. Browder, On a theorem of Beurling and Livingston, Canad. J. Math. 17 (1965), 367 – 372. · Zbl 0132.10602 [3] Felix E. Browder, Multi-valued monotone nonlinear mappings and duality mappings in Banach spaces, Trans. Amer. Math. Soc. 118 (1965), 338 – 351. · Zbl 0138.39903 [4] R. T. Rockafellar, Characterization of the subdifferentials of convex functions, Pacific J. Math. 17 (1966), 497 – 510. · Zbl 0145.15901 This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.