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Mar 15, 2010 at 2:21 answer added Jason DeVito - on hiatus timeline score: 2
Feb 19, 2010 at 0:48 comment added Kamran Bigdely If we know that a system is a gradient system then we are sure that there is no closed orbits in that system.
Feb 18, 2010 at 13:30 comment added José Figueroa-O'Farrill Where does this system live? And how have you determined that it is indeed a gradient system? You can easily check whether it's locally a gradient, but you may find that you cannot integrate to find V.
Feb 18, 2010 at 12:07 history edited Gjergji Zaimi CC BY-SA 2.5
added some $'s
Feb 18, 2010 at 11:55 answer added Petya timeline score: 1
Feb 18, 2010 at 10:43 history asked Kamran Bigdely CC BY-SA 2.5