A new extension theorem for concave operators.
Peng, Jian-Wen, Rong, Wei-Dong, Yao, Jen-Chih (2009)
Fixed Point Theory and Applications [electronic only]
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A new extension theorem for concave operators.
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-convexity in infinite-dimensional Banach spaces and applications to Kergin interpolation.
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We study strictly G-convex renormings and extensions of strictly G-convex norms on Banach spaces. We prove that ℓω(Γ) space cannot be strictly G-convex renormed given Γ is uncountable and G is bounded and separable.