Potential operators and laplace type multipliers associated with the twisted laplacian |
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Authors: | Adam NOWAK Krzysztof STEMPAK |
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Affiliation: | Instytut Matematyczny, Polska Akademia Nauk, ?niadeckich 8, 00-656 Warszawa, Poland;Wydzia? Matematyki, Politechnika Wroc?awska, Wyb. Wyspiańskiego 27, 50-370 Wroc?aw, Poland |
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Abstract: | We study potential operators and, more generally, Laplace-Stieltjes and Laplace type multipliers associated with the twisted Laplacian. We characterize those 1 ≤ p,q ≤ ∞, for which the potential operators are Lp – Lq bounded. This result is a sharp analogue of the classical Hardy-Littlewood-Sobolev fractional integration theorem in the context of special Hermite expansions. We also investigate Lp mapping properties of the Laplace-Stieltjes and Laplace type multipliers. |
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Keywords: | twisted Laplacian special Hermite expansion negative power potential operator fractional integral potential kernel spectral multiplier singular oscillatory integral 42C10 47G40 31C15 26A33 |
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