Stieltjes transforms on new generalized functions.
Schmeelk, John (2001)
International Journal of Mathematics and Mathematical Sciences
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Schmeelk, John (2001)
International Journal of Mathematics and Mathematical Sciences
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Piotr Graczyk, Jean-Jacques Lœb (1994)
Bulletin de la Société Mathématique de France
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Ben Farah, S., Mokni, K., Trimèche, K. (2004)
International Journal of Mathematics and Mathematical Sciences
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Philippe Jaming (2011)
Annales de l’institut Fourier
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Inspired by work of Montgomery on Fourier series and Donoho-Strak in signal processing, we investigate two families of rearrangement inequalities for the Fourier transform. More precisely, we show that the behavior of a Fourier transform of a function over a small set is controlled by the behavior of the Fourier transform of its symmetric decreasing rearrangement. In the case, the same is true if we further assume that the function has a support of finite measure. As...
Vershik, A.M., Tsilevich, N.V. (2005)
Zapiski Nauchnykh Seminarov POMI
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Philippe Jaming (2005-2006)
Séminaire Équations aux dérivées partielles
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In this survey, we present various forms of the uncertainty principle (Hardy, Heisenberg, Benedicks...). We further give a new interpretation of the uncertainty principles as a statement about the time-frequency localization of elements of an orthonormal basis, which improves previous unpublished results of H. Shapiro. Finally, we reformulate some uncertainty principles in terms of properties of the free heat and shrödinger equations.
R. Bhuvaneswari, V. Karunakaran (2010)
Annales UMCS, Mathematica
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Function spaces of type S are introduced and investigated in the literature. They are also applied to study the Cauchy problem. In this paper we shall extend the concept of these spaces to the context of Boehmian spaces and study the Fourier transform theory on these spaces. These spaces enable us to combine the theory of Fourier transform on these function spaces as well as their dual spaces.
R. Bhuvaneswari, V. Karunakaran (2010)
Annales Universitatis Mariae Curie-Sklodowska, sectio A – Mathematica
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Function spaces of type S are introduced and investigated in the literature. They are also applied to study the Cauchy problem. In this paper we shall extend the concept of these spaces to the context of Boehmian spaces and study the Fourier transform theory on these spaces. These spaces enable us to combine the theory of Fourier transform on these function spaces as well as their dual spaces.
Younis, M.S. (2000)
International Journal of Mathematics and Mathematical Sciences
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Raimond Struble (1984)
Studia Mathematica
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Younis, M.S. (1997)
International Journal of Mathematics and Mathematical Sciences
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