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This book introduces some important progress in the theory of CalderonZygmund singular integrals, oscillatory singular integrals, and LittlewoodPaley theory over the last decade. It includes some important research results by the authors and their cooperators, such as singular integrals with rough kernels on Block spaces and Hardy spaces, the criterion on boundedness of oscillatory singular integrals, and boundedness of the rough Marcinkiewicz integrals. These results have frequently been cited in many published papers.
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