Best possible approximation constants

Fink, A. M.

doi:10.1090/S0002-9947-1977-0447915-8

Best possible approximation constants
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by A. M. Fink PDF

Trans. Amer. Math. Soc. 226 (1977), 243-255 Request permission

Abstract:

We study inequalities between the norm of the best approximating polynomial and the nth derivative of the function. These inequalities are then related to inequalities that have been considered elsewhere in different contexts.

References

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