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Izvestiya Vysshikh Uchebnykh Zavedenii Matematika
Article . 2010
Data sources: CyberLeninka - Russian open access scientific library
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О приближении почти-периодических функций двух переменных

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2010 Russian Publisher:Федеральное государственное автономное образовательное учреждение высшего образования «Казанский (Приволжский) федеральный университет»Journal:Известия высших учебных заведений. Математика (issn: 0021-3446, eissn: 2076-4626, Copyright policy )

О приближении почти-периодических функций двух переменных

Abstract

В работе исследованы отклонения периодических функций двух переменных от интегральных средних и их преобразований Фурье. Получены оценки уклонения одного класса равномерных почти-периодических функций двух переменных от сумм типа Зигмунда-Марцинкевича.

Keywords

РЯД ФУРЬЕ,FOURIER SERIES,ИНТЕГРАЛЬНЫЕ СРЕДНИЕ,INTEGRAL MEAN VALUES,ПРЕОБРАЗОВАНИЕ ФУРЬЕ,FOURIER TRANSFORMATION,СУММЫ ТИПА ЗИГМУНДА-МАРЦИНКЕВИЧА,SUMS OF THE ZYGMUND-MARCINKIEWICZ TYPE,ТРИГОНОМЕТРИЧЕСКИЙ ПОЛИНОМ,TRIGONOMETRIC POLYNOMIALS,ПОЧТИ-ПЕРИОДИЧЕСКАЯ ФУНКЦИЯ,ПОКАЗАТЕЛИ ФУРЬЕ,FOURIER EXPONENTS,ALMOST PERIODIC FUNCTIONS

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    popularity
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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
bronze