The present paper gives a Jackson type estimate for Nevai operators under weighted L^p norm, and establishes the direct and converse theorems in some proper Besov spaces
基金Supported in part by National and Zhejiang Provincial Natural Science Foundations of China under grant numbers 10471130 and 101009 respectively.
文摘The present paper gives a Jackson type estimate for Nevai operators under weighted L^p norm, and establishes the direct and converse theorems in some proper Besov spaces
