ISSN:
1432-0940
Keywords:
41A36
;
41A40
;
41A27
;
41A10
;
Best lower estimate
;
Convolution operator
;
Bernstein polynomial operator
;
Bernstein-Durrmeyer operator
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mathematics
Notes:
Abstract A method to prove lower estimates for linear operators is introduced. As a result the best lower estimate for certain convolution operators, for the multivariate Bernstein-Durrmeyer operators in part I and the Bernstein polynomial operators in part II (see [10]), are obtained.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01294338
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