An Explanation of the Commuting Operator “Miracle” in Time and Band Limiting - Institut Denis Poisson
Article Dans Une Revue Journal of Fourier Analysis and Applications Année : 2023

An Explanation of the Commuting Operator “Miracle” in Time and Band Limiting

Pierre-Antoine Bernard
Nicolas Crampé

Résumé

Time and band limiting operators are expressed as functions of the confluent Heun operator arising in the spheroidal wave equation. Explicit formulas are obtained when the bandwidth parameter is either small or large and results on the complete Fourier transform are recovered.
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Dates et versions

hal-04739133 , version 1 (16-10-2024)

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Citer

Pierre-Antoine Bernard, Nicolas Crampé, Luc Vinet. An Explanation of the Commuting Operator “Miracle” in Time and Band Limiting. Journal of Fourier Analysis and Applications, 2023, 29 (2), pp.22. ⟨10.1007/s00041-023-10004-8⟩. ⟨hal-04739133⟩
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