Application of spectral decomposition to establish inequalities for operators

R. Bilichenko (Oles Honchar Dnipro National University)
S. Zhir (The University of Customs and Finance)

Abstract


We give specific examples of the spectral decomposition of self-adjoint operators in application to establish sharp inequalities for their powers.

Keywords


resolution of the identity; spectral decomposition; inequalities for operators; differentiation operator; Laplace operator

MSC 2020


47A30; 47A11; 47B02

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References


Akhiezer N.I., Glazman I.M. Theory of linear operators in Hilbert space, 1966. (in Russian)

Babenko V.F., Bilichenko R.O. "Inequalities of Taikov type for self-adjoint operators in Hilbert space", Trudy IPMM, 2010; 21: pp. 11-18. (in Russian)

Babenko V.F., Bilichenko R.O. "Inequalities of Taikov type for grades of normal operators in Hilbert space", Res. Math., 2011; 19: pp. 3-7. (in Russian) doi:10.15421/241101

Babenko V.F., Kozinenko O.V., Skorokhodov D.S. "Inequalities of Carlson-Taikov-Shadrin type in $$$L_{2,r;\alpha,\beta}((-1;1))$$$ and $$$L_{2;e^{-t^2}}(\mathbb{R})$$$ spaces", Res. Math., 2019; 27(2): pp. 45-58. (in Ukrainian) doi:10.15421/241914

Bateman H. Higher Transcendental Functions, McGraw-Hill, New York, 1953; vol. 1, 2. doi:10.1126/science.120.3112.302-b

Berezanskij Yu.M., Us G.F., Sheftel' Z.G. Functional analysis, Vyshcha Shkola, 1990. (in Russian)

Birman M.S., Solomyak M.Z. Spectral theory of self-adjoint operators in Hilbert spaces, Leningrad University Publishing House, 1980.

Shadrin A.Yu. "Inequalities of Kolmogorov type and estimates of spline-interpolation for periodic classes $$$W^m_2$$$", Matem. zametki, 1990; 48(4): pp. 132-139. (in Russian) doi:10.1007/BF01139609

Taikov L.V. "Inequalities of Kolmogorov type and the best formulas of numeric differentiation", Matem. zametki, 1968; 4(2): pp. 223-238. (in Russian) doi:10.1007/BF01094964

Vilenkin N.Ya. Special functions and the theory of group representations, Nauka, 1965.




DOI: https://doi.org/10.15421/242302

  

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Copyright (c) 2023 R. Bilichenko, S. Zhir

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ISSN (Online): 2664-5009
ISSN (Print): 2664-4991
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