Abstract
We obtain conditions under which the modulus of continuity of a piecewise analytic function given on a closed interval of the real axis is an analytic function in a neighborhood of zero.
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REFERENCES
M. Ya. Perel'man, “On the modulus of continuity of analytic functions,” Uchen. Zap. Leningrad. Univ. Ser. Matem., 12 (1941), no. 83, 62–86.
A. F. Timan, Approximation Theory for Functions of a Real Variable [in Russian], Fizmatgiz, Moscow, 1960.
P. M. Tamrazov, Smoothness and Polynomial Approximations [in Russian], Naukova Dumka, Kiev, 1975.
Z. Ditzian and V. Totik, Moduli of Smoothness, Springer Ser. Comp. Math., vol. 9, Springer-Verlag, New York–Berlin, 1987.
Bl. Sendov and V. Popov, The Averaged Moduli of Smoothness, J. Wiley, New York, 1989.
I. A. Shevchuk, Approximation by Polynomials and Traces of Continuous Functions on the closed interval [in Russian], Naukova Dumka, Kiev, 1992.
M. F. Timan, Approximation and Properties of Periodic Functions [in Russian], Dnepropetrovsk Agri-cultural Univ., Dnepropetrovsk, 2000.
N. P. Korneichuk, Splines in Approximation Theory [in Russian], Nauka, Moscow, 1984.
R. Narasimhan, Analysis on Real and Complex Manifolds, vol. 1, Masson, Paris, 1968.
A. Hurwitz and R. Courant, The Theory of Functions [Russian translation], Nauka, Moscow, 1968.
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Dovgoshei, A.A., Potemkina, L.L. Modulus of Continuity of Piecewise Analytic Functions. Mathematical Notes 73, 58–70 (2003). https://doi.org/10.1023/A:1022122000808
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DOI: https://doi.org/10.1023/A:1022122000808