Not this simple. Someone says it needs Martingale

on stoping time with branch process

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• agreed, after wiki i found this: -Mushy- ♂ (672 bytes) () 09/21/2009 postreply 02:31:28

• No, it is simple if you care only about the prob. of extinction -innercool- ♀ (80 bytes) () 09/27/2009 postreply 12:35:55

• 回复：No, it is simple if you care only about the prob. of extincti -wyk- ♂ (100 bytes) () 10/19/2009 postreply 18:21:36