Skip to main content
6 events
when toggle format what by license comment
Oct 4, 2013 at 15:00 vote accept Xiao-Gang Wen
Oct 4, 2013 at 13:04 history edited Xiao-Gang Wen CC BY-SA 3.0
added 9 characters in body
Oct 3, 2013 at 11:16 comment added Xiao-Gang Wen Indeed, it is elementary. But the result is very important to me.
Oct 3, 2013 at 11:10 comment added Fernando Muro You're welcome. I'd say this is rather elementary from a mathematical point of view, though.
Oct 3, 2013 at 2:52 history edited Xiao-Gang Wen CC BY-SA 3.0
deleted 6 characters in body
Oct 3, 2013 at 2:40 history answered Xiao-Gang Wen CC BY-SA 3.0