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Jul 20, 2016 at 3:56 history undeleted JumpJump
Jul 19, 2016 at 20:31 history deleted JumpJump via Vote
Jul 19, 2016 at 20:16 history edited JumpJump CC BY-SA 3.0
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Jul 12, 2016 at 10:33 comment added Michael Renardy @tankonetoone: I did not say that question is trivial. Just that a lot has been done on related problems.
Jul 12, 2016 at 2:34 comment added JumpJump @MichaelRenardy sorry for the trivial question... I did my search for a day but I didn't really find anything useful... Maybe I am heading for the wrong direction. I will continue search on it. Thx for your comment anyway!
Jul 12, 2016 at 2:23 comment added Michael Renardy There is a lot of literature on nonlinear elliptic eigenvalue problems and calculus of variations methods applied to them. Researching it for yourself will be a very valuable experience during which you will acquire skills extremely useful for your future research career. Do not spoil by going to the internet and asking others to do the work for you.
Jul 12, 2016 at 2:08 history edited JumpJump CC BY-SA 3.0
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Jul 12, 2016 at 1:59 history edited JumpJump CC BY-SA 3.0
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Jul 11, 2016 at 18:47 comment added JumpJump @WillieWong The later one. I also update my post. Thx for pointing out!
Jul 11, 2016 at 18:46 history edited JumpJump CC BY-SA 3.0
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Jul 11, 2016 at 18:34 comment added Willie Wong what do you mean by "the eigenfunction of the following equation"? Do you just want a solution? Do you want a solution to the equation with the right hand side replaced by $\lambda u$ for some $\lambda$?
Jul 11, 2016 at 18:31 history asked JumpJump CC BY-SA 3.0