Zobrazeno 1 - 10 of 31 pro vyhledávání: '"Slim Omri"'
1
Akademický článek
On generalized Hardy spaces associated with singular partial differential operators
Autor: Amal Ghandouri, Hatem Mejjaoli, Slim Omri
Publikováno v: Cubo, Vol 25, Iss 2, Pp 289-320 (2023)
We define and study the Hardy spaces associated with singular partial differential operators. Also, a characterization by mean of atomic decomposition is investigated.
Externí odkaz: https://doaj.org/article/a8e28d42e5f04916be8e9aaf3668b2e0
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2
Akademický článek
Uncertainty principle for the Riemann-Liouville operator
Autor: Khaled Hleili, Slim Omri, Lakhdar T Rachdi
Publikováno v: Cubo, Vol 13, Iss 3, Pp 91-115 (2011)
A Beurling-Hormander theorem's is proved for the Fourier transform connected with the Riemann-Liouville operator. Nextly, Gelfand-Shilov and Cowling-Price type theorems are established.Se demuestra el teorema de Beurling-Hormander por la transformada
Externí odkaz: https://doaj.org/article/6c319edb864b447f95e1753953cc843d
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5
Localization Operators and Uncertainty Principles for the Hankel Wavelet Transform
Autor: Siwar Hkimi, Slim Omri, Saifallah Ghobber
Publikováno v: Studia Scientiarum Mathematicarum Hungarica. 58:335-357
The aim of this paper is to prove some uncertainty inequalities for the continuous Hankel wavelet transform, and study the localization operator associated to this transformation.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2320c21db63639e663a76cf723f6fe75
https://doi.org/10.1556/012.2021.58.3.1503
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6
Boundedness and Compactness of the Spherical Mean Two-Wavelet Localization Operators
Autor: Hatem Mejjaoli, Slim Omri
Publikováno v: Bulletin of the Brazilian Mathematical Society, New Series. 52:977-1004
In this paper, we prove the boundedness and compactness of localization operators associated with spherical mean wavelet transforms, which depend on a symbol and two spherical mean wavelets on $$L^{p}(d\nu )$$ , $$1 \le p \le \infty $$ .
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98e13292fa41824e2dcbffe4415510f8
https://doi.org/10.1007/s00574-020-00241-6
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8
Dispersion’s Uncertainty Principles Associated with the Directional Short-Time Fourier Transform
Autor: Siwar Hkimi, Hatem Mejjaoli, Slim Omri
Publikováno v: Studia Scientiarum Mathematicarum Hungarica. 57:508-540
We introduce the directional short-time Fourier transform for which we prove a new Plancherel’s formula. We also prove for this transform several uncertainty principles as Heisenberg inequalities, logarithmic uncertainty principle, Faris–Price un
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::41534368874fdd9fdc4786e3bf53fa04
https://doi.org/10.1556/012.2020.57.4.1479
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9
Quantitative uncertainty principles associated with the directional short-time Fourier transform
Autor: Slim Omri, Hatem Mejjaoli
Publikováno v: Integral Transforms and Special Functions. 32:753-779
We introduce the directional short-time Fourier transform for which we prove a new inversion formula. We also prove for this transform several uncertainty principles as Heisenberg inequalities, Far...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1f369ca72dc548c1f9a862615d0a1e3d
https://doi.org/10.1080/10652469.2020.1843166
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