\(\{e^{\pm i(n- 1/4)t} \}_{n\in \mathbb{N}}\) is not a basis of \(L^ 2[- \pi,\pi]\)
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Publication:1900346
DOI10.1006/JMAA.1995.1203zbMath0836.42001OpenAlexW1977402155MaRDI QIDQ1900346
Publication date: 31 October 1995
Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1006/jmaa.1995.1203
Summability and bases; functional analytic aspects of frames in Banach and Hilbert spaces (46B15) Fourier coefficients, Fourier series of functions with special properties, special Fourier series (42A16)
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