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Monotonic norms in ordered Banach spaces
Published online by Cambridge University Press: 09 April 2009
Abstract
Let B be an ordered Banach space with ordered Banach dual space. Let N denote the canonical half-norm. We give an alternative proof of the following theorem of Robinson and Yamamuro: the norm on B is α-monotone (α ≥ 1) if and only if for each f in B* there exists g ∈ B* with g ≥ 0, f and ∥g∥ ≤ α N(f). We also establish a dual result characterizing α-monotonicity of B*.
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- Copyright © Australian Mathematical Society 1988
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