p*****n 发帖数: 758 | 1 f is a non-negative Lesbegue integrable function on [0,1]. If for every n=1,
2,3... integration of f^n on [0,1]=integration of f on [0,1], show that f
must equals to a characteristic function of a set almost everywhere.
thx | p*****n 发帖数: 758 | 2 自己做出来了,谢谢大家!
1,
【在 p*****n 的大作中提到】 : f is a non-negative Lesbegue integrable function on [0,1]. If for every n=1, : 2,3... integration of f^n on [0,1]=integration of f on [0,1], show that f : must equals to a characteristic function of a set almost everywhere. : thx
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