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when toggle format what by license comment
Feb 23, 2011 at 22:47 comment added Hailong Dao Liu: see my update.
Feb 23, 2011 at 22:47 history edited Hailong Dao CC BY-SA 2.5
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Feb 12, 2011 at 2:30 comment added Liu Hang What about the case when $R$ is not local?
Feb 10, 2011 at 12:08 comment added Liu Hang Dear Hailong, thanks for the informative answer.
Feb 8, 2011 at 19:39 history edited Hailong Dao CC BY-SA 2.5
added 66 characters in body
Feb 8, 2011 at 2:37 history answered Hailong Dao CC BY-SA 2.5