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Paraproducts in one and several parameters

  • Michael Lacey EMAIL logo und Jason Metcalfe
Veröffentlicht/Copyright: 12. März 2007
Forum Mathematicum
Aus der Zeitschrift Band 19 Heft 2

Abstract

For multiparameter bilinear paraproduct operators B we prove the estimate

Here, 1/p + 1/q = 1/r and special attention is paid to the case of 0 < r < 1. (Note that the families of multiparameter paraproducts are much richer than in the one parameter case.) These estimates are the essential step in the version of the multiparameter Coifman-Meyer theorem proved by C. Muscalu, J. Pipher, T. Tao, and C. Thiele [Mucalu Camil, Pipher Jill, Tao Terrance, and Thiele Christoph: Bi-parameter paraproducts. Acta Math. 193 (2004), 269–296, Mucalu Camil, Pipher Jill, Tao Terrance, and Thiele Christoph: Multi-parameter paraproducts. arxiv:math.CA/0411607]. We offer a different proof of these inequalities.


(Communicated by Christopher D. Sogge)


Received: 2005-09-12
Published Online: 2007-03-12
Published in Print: 2007-03-20

© Walter de Gruyter

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