Yongsheng Han

• Harmonic Analysis on Spaces of Homogeneous Type
• Littlewood-Paley theory on spaces of homogeneous type and the classical function spaces
• Maximal Functions, Littlewood-Paley Theory, Riesz Transforms and Atomic Decomposition in the Multi-Parameter Flag Setting
• New characterizations and applications of inhomogeneous Besov and Triebel-Lizorkin spaces on homogeneous type spaces and fractals