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Donoho-Stark Uncertainty Principle for
Spherical Fourier Transform of Type δ

Jean-Pierre N’dah TAKI and Kinvi KANGNI
Université Félix Houphouët Boigny
UFR: Mathématiques et Informatique
Laboratoire: Mathématiques Fondamentales
22 BP 582 Abidjan 22 Abidjan, Côte d'Ivoire

Mathematics Subject Classification: (2010) 43A25, 43A9
Key words: Spherical function of type δ ; positive type function ; Gelfand pairs ; uncertainty principle


Let G be a locally compact unimodular group, K a compact subgroup of G and δ an arbitrary class of irreducible unitary representation of K. In this work, we will give an extension of the Donoho and Stark uncertainty principle according to δ.

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