
Approximation by Singular Integrals
$80.00
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This monograph reviews the study of approximation of singular integrals to the identity-unit operator. The authors study quantatively the basic approximation properties of the general Picard, Gauss-Weierstrass and Poisson-Cauchy singular integral operators over the real line which are not positive linear operators.G. Anastassiou R. Mezei
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