作者hips (hips)
看板Math
标题[分析] 测度
时间Fri Mar 25 22:46:51 2011
Let (X,P) be a prob space.
Let {F_a} denote an uncountable collection of disjoint closed sets.
Is it true that there are only countably many F_a that
has positive measure?
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 98.154.98.252
1F:推 LimSinE :是,|{a|P(F_a)>1/n}|有限,其可数联集至多可数 03/25 23:24
2F:→ hips :感谢楼上. 03/25 23:51