Vol 3, No 2 (2017)

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Table of Contents

Part I. Proceedings of the 42nd S.B. Stechkin's workshop

THE 42\(\mbox{nd}\) INTERNATIONAL S.B. STECHKIN’S WORKSHOP-CONFERENCE ON FUNCTION THEORY
Vitalii V. Arestov, Vitalii I. Berdyshev
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3–5
APPROXIMATION OF THE DIFFERENTIATION OPERATOR ON THE CLASS OF FUNCTIONS ANALYTIC IN AN ANNULUS
Roman R. Akopyan
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6–13
ON \(\Lambda\)-CONVERGENCE ALMOST EVERYWHERE OF MULTIPLE TRIGONOMETRIC FOURIER SERIES
Nikolai Yu. Antonov
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14–21
A CHARACTERIZATION OF EXTREMAL ELEMENTS IN SOME LINEAR PROBLEMS
Vitalii V. Arestov
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22–32
A NEW ALGORITHM FOR ANALYSIS OF EXPERIMENTAL MÖSSBAUER SPECTRA
Natalia V. Baidakova, Nikolai I. Chernykh, Valerii M. Koloskov, Yurii N. Subbotin
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33–39
ON THE BEST APPROXIMATION OF THE INFINITESIMAL GENERATOR OF A CONTRACTION SEMIGROUP IN A HILBERT SPACE
Elena E. Berdysheva, Maria A. Filatova
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40–45
DIVERGENCE OF THE FOURIER SERIES OF CONTINUOUS FUNCTIONS WITH A RESTRICTION ON THE FRACTALITY OF THEIR GRAPHS
Maxim L. Gridnev
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46–50
CONVERGENCE OF SOLUTIONS OF BILATERAL PROBLEMS IN VARIABLE DOMAINS AND RELATED QUESTIONS
Alexander A. Kovalevsky
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51–66
ON INTERPOLATION BY ALMOST TRIGONOMETRIC SPLINES
Sergey I. Novikov
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67–73
\(\mathcal{K}\)-FUNCTIONALS AND EXACT VALUES OF \(n\)-WIDTHS IN THE BERGMAN SPACE
Mukim S. Saidusaynov
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74–81
POSITIVE DEFINITE FUNCTIONS AND SHARP INEQUALITIES FOR PERIODIC FUNCTIONS
Viktor P. Zastavnyi
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82–99

Part II. General topics

SOME REPRESENTATIONS CONNECTED WITH ULTRAFILTERS AND MAXIMAL LINKED SYSTEMS
Alexander G. Chentsov
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100–121
ON THE OSCILLATION OF A THIRD ORDER NONLINEAR DIFFERENTIAL EQUATIONS WITH NEUTRAL TYPE
V. Ganesan, Marappan Sathish Kumar
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122–129
EVALUATION OF THE NON-ELEMENTARY INTEGRAL \(\int e^{\lambda x^\alpha}dx\), \(\alpha\ge 2\), AND OTHER RELATED INTEGRALS
Victor Nijimbere
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130–142
NEW METHOD OF REFLECTOR SURFACE SHAPING TO PRODUCE A PRESCRIBED CONTOUR BEAM
Boris V. Semenov, Nikolai I. Chernykh, Viktor M. Pleshchev
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143–151