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On the density of quotients of lacunary polynomials. (English) Zbl 0393.41007


MSC:

41A20 Approximation by rational functions
41A30 Approximation by other special function classes
Full Text: DOI

References:

[1] G. Somorjai, A Müntz-type problem for rational approximation,Acta Math. Acad. Sci. Hungar.,27 (1976), 197–199. · Zbl 0333.41012 · doi:10.1007/BF01896775
[2] A. Zygmund, On certain integrals,Trans. Amer. Math. Soc.,55 (1944), 170–204. · Zbl 0061.13902 · doi:10.1090/S0002-9947-1944-0009966-5
[3] P. Turán, Az approximációelmélet egyes nyitott problémáiról,Matematikai Lapok,25 (1974) 21–75 (in Hungarian).
[4] J. Korevaar, Approximation on curves by linear combinations of exponentials,Approximation Theory (ed. G. G. Lorentz; Academic Press, 1973), 387–393. · Zbl 0331.30027
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