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| THE NATURAL BOUNDARY OF SOME RANDOM POWER SERIES | |
| 作者姓名： | 孙道椿 |
| 基金项目： | Supported by NSF. |
| 摘 要： | Suppose that {X_n(ω)} are independent random complex variable sequence, E(X_n)-0 and Then the circle {|Z|=ρ} is almost surely a natural boundary of the random series sum from n=1 to ∞ X_n(ω)Z~(n-1) |
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