Vertical versus conical square functions

Auscher, Pascal; Hofmann, Steve; Martell, José-María

doi:10.1090/S0002-9947-2012-05668-6

Vertical versus conical square functions
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by Pascal Auscher, Steve Hofmann and José-María Martell PDF

Trans. Amer. Math. Soc. 364 (2012), 5469-5489 Request permission

Abstract:

We study the difference between vertical and conical square functions in the abstract and also in the specific case where the square functions come from an elliptic operator.

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