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On derivatives of conjugate trigonometric polynomials in L0 (in Russian)

Author A. N. Adamov
alex.1985@mail.ru
Одесский национальный университет ім. И.И. Мечникова

Abstract We consider Szego type inequality, where the norm of the derivatives of the conjugate trigonometric polynomials is measured by the norm of the polynomial itself in L0 space. We improve the estimate of the constant in it, which was got by V. V. Arestov before.
Keywords derivatives of the polynomials; conjugate trigonometric polynomial; L_0 space; Szego inequality
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Pages 147-154
Volume 37
Issue 2
Year 2012
Journal Matematychni Studii
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