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Transactions of the American Mathematical Society
Transactions of the American Mathematical Society
ISSN 1088-6850(online) ISSN 0002-9947(print)

 

On $ n$-widths in $ L\sp{\infty }$


Authors: Charles A. Micchelli and Allan Pinkus
Journal: Trans. Amer. Math. Soc. 234 (1977), 139-174
MSC: Primary 41A45
MathSciNet review: 0487187
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Abstract: The n-width in $ {L^\infty }$ of certain sets determined by matrices and integral operators is determined. The notion of total positivity is essential in the analysis.


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DOI: http://dx.doi.org/10.1090/S0002-9947-1977-0487187-1
PII: S 0002-9947(1977)0487187-1
Article copyright: © Copyright 1977 American Mathematical Society