周期可微函数类和卷积函数类在Lq尺度下的相关n-宽度

刘永平, 杨唯

Relative n-Widths of the Classes of Differentiable Functions and the Periodic Convolution Classes in L_q Metric

Yong Ping LIU, Wei YANG

数学学报 . 2010, (6): 1087 -1096 . DOI: 10.12386/A2010sxxb0122