Well-posedness and porosity in best approximation problems

DOI10.12775/TMNA.2001.041zbMath1005.41011OpenAlexW2548117697MaRDI QIDQ696179

Simeon Reich, Zaslavski, Alexander J.

Publication date: 5 February 2003

Published in: Topological Methods in Nonlinear Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.12775/tmna.2001.041

zbMATH Keywords

existenceuniquenessBanach spacebest approximationfirst categoryclosed set

Mathematics Subject Classification ID

Metric spaces, metrizability (54E35) Baire category, Baire spaces (54E52) Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Uniqueness of best approximation (41A52)

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