Classes Of hardy spaces associated with operators, duality theorem and applications

Lixin Yan*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    59 Citations (Scopus)


    Let L be the infinitesimal generator of an analytic semigroup on L 2(ℝn) with suitable upper bounds on its heat kernels. In Auscher, Duong, and McIntosh (2005) and Duong and Yan (2005), a Hardy space H1L (ℝn) and a BMOl(ℝn) space associated with the operator L were introduced and studied. In this paper we define a class of Hp/L(ℝn) spaces associated with the operator L for a range of p < 1 acting on certain spaces of Morrey-Campanato functions defined in New Morrey-Campanato spaces associated with operators and applications by Duong and Yan (2005), and they generalize the classical Hp/l(ℝn) spaces. We then establish a duality theorem between the Hp L(ℝn) spaces and the Morrey-Campanato spaces in that same paper. As applications, we obtain the boundedness of fractional integrals on Hp/L(ℝn) and give the inclusion between the classical H p(ℝn) spaces and the Hp/L(ℝn) spaces associated with operators.

    Original languageEnglish
    Pages (from-to)4383-4408
    Number of pages26
    JournalTransactions of the American Mathematical Society
    Issue number8
    Publication statusPublished - Aug 2008

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