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An example on strong unicity constants in trigonometric approximation

Authors: K. Y. Chan, Y. M. Chen, M. C. Liu and S. M. Ng
Journal: Proc. Amer. Math. Soc. 84 (1982), 79-84
MSC: Primary 42A10; Secondary 41A50
MathSciNet review: 633282
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Abstract: In this paper an explicit example is constructed to illustrate some interesting properties of the strong unicity constant in the case of approximations by trigonometric polynomials.

References [Enhancements On Off] (What's this?)

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Keywords: Strong unicity constant, trigonometric polynomials, best approximation
Article copyright: © Copyright 1982 American Mathematical Society