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JOURNALS // Matematicheskii Sbornik // Archive

Mat. Sb. (N.S.), 1982 Volume 117(159), Number 3, Pages 397–411 (Mi sm2215)

This article is cited in 4 papers

The Fourier transform of the characteristic function of a set, vanishing on an interval

P. P. Kargaev


Abstract: A set $E$ with $0<\operatorname{mes}E<+\infty$ is constructed for which the Fourier transform of its characteristic function vanishes on an interval. The set is the union of a sequence of intervals whose lengths can be estimated asymptotically above and below. The construction is based on an infinite-dimensional version of the implicit function theorem.
Bibiography: 6 titles.

UDC: 517.5

MSC: Primary 42A38; Secondary 26B10, 28A99, 30D60

Received: 29.05.1981


 English version:
Mathematics of the USSR-Sbornik, 1983, 45:3, 397–410

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© Steklov Math. Inst. of RAS, 2024