The Uncertainty Principle in Harmonic Analysis -- Lecture Notes on Selected Topics
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866917442321645568 |
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| author | Limani, Adem |
| author_facet | Limani, Adem |
| contents | These lecture notes are devoted to selected topics related to the uncertainty principle in harmonic analysis. Rather than attempting a systematic treatment, we emphasize only a number of both classical and deep manifestations of this principle, mainly from the perspective of Fourier analysis on the unit circle and on the real line.
We consider problems of uniqueness and reconstruction for Fourier series and Fourier transforms, the influence of spectral gaps, and the role of logarithmic integrability in questions of approximation and quasi-analyticity. Central results discussed include the Paley--Wiener theorem, the Beurling--Malliavin multiplier theorem, and the Ivashev--Musatov theorem. These notes are intended as an entry point toward the research literature, with several sections pointing in the direction of more recent developments. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2604_24900 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | The Uncertainty Principle in Harmonic Analysis -- Lecture Notes on Selected Topics Limani, Adem Classical Analysis and ODEs Complex Variables 42A16, 42A70, 42A55, 30J99, 30H10 These lecture notes are devoted to selected topics related to the uncertainty principle in harmonic analysis. Rather than attempting a systematic treatment, we emphasize only a number of both classical and deep manifestations of this principle, mainly from the perspective of Fourier analysis on the unit circle and on the real line. We consider problems of uniqueness and reconstruction for Fourier series and Fourier transforms, the influence of spectral gaps, and the role of logarithmic integrability in questions of approximation and quasi-analyticity. Central results discussed include the Paley--Wiener theorem, the Beurling--Malliavin multiplier theorem, and the Ivashev--Musatov theorem. These notes are intended as an entry point toward the research literature, with several sections pointing in the direction of more recent developments. |
| title | The Uncertainty Principle in Harmonic Analysis -- Lecture Notes on Selected Topics |
| topic | Classical Analysis and ODEs Complex Variables 42A16, 42A70, 42A55, 30J99, 30H10 |
| url | https://arxiv.org/abs/2604.24900 |