摘要
刻划了定义在[0,1]上的非负函数φ,使加权Hardy Littlewood平均算子Uφ:f→∫10f(t·)φ(t)dt在齐次Herz空间中有界,并估计了Uφ相应的算子范数.
This paper characterizes those nonegative functions defined on [0,1] for which the weighted Hardy-Littlewood average is bounded on homogenous Herz space,and estimates the corresponding operator norm.
出处
《临沂师范学院学报》
2004年第3期18-21,共4页
Journal of Linyi Teachers' College
基金
国家自然科学基金资助项目(10371080)