节点文献
关于Heilmann算子的逼近性质
On Approximation Properties of Heilmann Operators
【摘要】 该文研究M.Heilmann引入的一个算子M_n(f,x),给出逼近的正逆定理和导数的特征刻划定理。
【Abstract】 This paper studies a operator M (f,x) introduced byM. Heilmann[1J, gives the direct and converse theorems of approxi-mation and the character theorem of derivative.
【关键词】 算子逼近;
连续模(数学);
正逆定理;
特征定理;
【Key words】 approximation by operators; continuous modulus (mathematics); direct and converse theorem; character theorem;
【Key words】 approximation by operators; continuous modulus (mathematics); direct and converse theorem; character theorem;
- 【文献出处】 南京理工大学学报(自然科学版) ,Journal of Nanjing University Science and Technology(University of Science and Technology) , 编辑部邮箱 ,1993年06期
- 【下载频次】6