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Epigraphical and uniform convergence of convex functions

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posted on 2025-05-11, 07:50 authored by Jonathan M. Borwein, Jon D. Vanderwerff
We examine when a sequence of lsc convex functions on a Banach space converges uniformly on bounded sets (resp. compact sets) provided it converges Attouch-Wets (resp. Painlevé-Kuratowski). We also obtain related results for pointwise convergence and uniform convergence on weakly compact sets. Some known results concerning the convergence of sequences of linear functionals are shown to also hold for lsc convex functions. For example, a sequence of lsc convex functions converges uniformly on bounded sets to a continuous affine function provided that the convergence is uniform on weakly compact sets and the space does not contain an isomorphic copy of ℓ₁

History

Journal title

Transactions of the American Mathematical Society

Volume

348

Issue

4

Pagination

1617-1631

Publisher

American Mathematical Society (AMS)

Language

  • en, English

College/Research Centre

Faculty of Science and Information Technology

School

School of Information and Physical Sciences

Rights statement

First published in Transactions of the American Mathematical Society in Vol.348, No. 4, pp.1617-1631, 1996, published by the American Mathematical Society

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