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Absolute and Uniform Convergence of Eigenfunction Expansions of Integral Operators with Kernels Admitting Derivative Discontinuities on the Diagonals
V. V. Kornev Saratov State University named after N. G. Chernyshevsky
Abstract:
An analog of Szasz's theorem on the absolute convergence of trigonometric Fourier series is established for expansions in the eigen and associated functions of integral operators some of whose kernels involve derivatives with discontinuities on the diagonals.
Keywords:
integral operator, trigonometric Fourier series, Fredholm resolvent, Szasz's theorem on absolute convergence, boundary-value problem, modulus of continuity.
Received: 18.08.2006
Citation:
V. V. Kornev, “Absolute and Uniform Convergence of Eigenfunction Expansions of Integral Operators with Kernels Admitting Derivative Discontinuities on the Diagonals”, Mat. Zametki, 81:5 (2007), 713–723; Math. Notes, 81:5 (2007), 638–648
Linking options:
https://www.mathnet.ru/eng/mzm3715https://doi.org/10.4213/mzm3715 https://www.mathnet.ru/eng/mzm/v81/i5/p713
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