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- Yaroslav-the-Wise Novgorod State UniversityRU10 papers
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Showing 2014 · math.CVShow all
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math.CV2014
Approximation of sgn(x) on two symmetric intervals by rational functions with fixed poles
A. Lukashov, D. Prokhorov
Recently A. Eremenko and P. Yuditskii found explicit solutions of the best polynomial approximation problems of sgn(x) over two intervals in terms of conformal mappings onto specia…
math.CV2014
Asymptotic ratio of harmonic measures of slit sides
Dmitri Prokhorov, Dmitrii Ukrainskii
The article is devoted to the geometry of solutions to the chordal Loewner equation which is based on the comparison of singular solutions and harmonic measures for the sides of a…