Mathematics > Functional Analysis
arXiv:2606.15515 (math)
[Submitted on 13 Jun 2026]
Abstract:In this paper, we investigate the Gateaux differentiability of some duality mappings in the uniformly convex and uniformly smooth Banach space, which includes the normalized duality mapping as a special case, and it is denoted by J. We will introduce a general duality mapping and a generalized duality mapping. After the differentiability is proved, we find the explicit Gateaux and coderivative of J, and the duality mappings. By using coderivatives, we find the covering constants for these duality mappings, respectively. We also prove that the Gateaux derivative operator of the normalized duality mapping J has Lipchitz property.
Submission history
From: Jinlu Li [view email]
[v1]
Sat, 13 Jun 2026 23:57:25 UTC (2,325 KB)
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