研究了以2π为周期的卷积函数类Kp^-与Bp^-的Bernstein n-宽度,得到当n为奇数时,它们在L^p(p∈(1,+∞))尺度下的极子空间.
In this paper, we consider Bernstein n-width of the classes of 2π-periodic convolution functions Kp and Bp, obtain their optimal subspaces in Lp for n odd and p ∈ (1, ∞).