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Best possible approximation constants
1977
Transactions of the American Mathematical Society
Preserved Fulltext
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.
doi:10.1090/s0002-9947-1977-0447915-8
fatcat:lkcmoiistjd3rmabv2gvqwxxzu