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问题及解答

Fatou 引理中严格不等式的例子

Posted by haifeng on 2021-07-01 00:02:15 last update 2021-07-01 00:02:38 | Edit | Answers (0)

\[
f_n=\begin{cases}
\chi_{_E}\ , & n\ \text{是奇数},\\
1-\chi_{_E}\ , & n\ \text{是偶数}.\\
\end{cases}
\]