On the best uniform approximation of differentiation operators

V. V. Arestov

On the best uniform approximation of differentiation operators

1969

V. V. Arestov

We study the existence and uniqueness of an extremal operator for the problem of S. B. Stechkin on the best approximation of differentiation operators by bounded operators.

Keywords:

Operator theory
Quasinormal operator
Spectral theorem
Mathematical analysis
Approximation property
Fourier integral operator
Mathematical optimization
Constant coefficients
Operator norm
Mathematics
Microlocal analysis
Operator (computer programming)

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