关于MVBV条件下Fourier级数的L~1收敛性的注记（英文）

摘要

本注记给出了关于在Fourier级数L~1收敛中MVBV条件不可减弱的一个猜想的肯定回答。%This note is to give a conjecture which claims that the MVBV condition is also the weakest condition one can have to replace the monotone condition in L~1 convergence case,an affirmative answer.