Abstract
In this paper, we survey some multiplier theorems and their applications to estimates for wave equation in Hardy spaces $H^p(\Bbb R^n)$. We also prove $H^p$ boundedness for Calder\'on-Zygmund operators of type $\sigma$ which can be considered as a generalization of classical singular integral operators. Using these results, we discuss some recent progress in $H^p$ regularity properties of the solving operators for hyperbolic equations.
Citation
Der-Chen Chang. "FU JEN LECTURES IN HARDY SPACES." Taiwanese J. Math. 4 (3) 321 - 363, 2000. https://doi.org/10.11650/twjm/1500407253
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