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On the connection between the properties of completeness and unconditional convergence for orthogonal systems
A. A. Talalyan
Abstract:
It is proved that there exists an orthonormal system that is not a system of unconditional convergence and, moreover, is not complete in the $L_2$-metric on any set of positive measure.
Bibliography: 8 titles.
Received: 05.08.1981
Citation:
A. A. Talalyan, “On the connection between the properties of completeness and unconditional convergence for orthogonal systems”, Math. USSR-Sb., 45:4 (1983), 507–513
Linking options:
https://www.mathnet.ru/eng/sm2232https://doi.org/10.1070/SM1983v045n04ABEH001022 https://www.mathnet.ru/eng/sm/v159/i4/p516
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