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Sep 18, 2013 at 16:00 comment added ems I mean in general there are cases of optimisation problems where you can always improve the objective function without converging to an optimal one.
Sep 18, 2013 at 15:58 comment added ems Thanks @MartinHairer ! How do you guarantee that moving masses from further points to close points results in a piecewise constant function with some a ? why not for example add more mass to the close point to further improve the expectation ? Also, it seems that you have an implicit assumption that there is an optimal f which I want to guarantee in the first place.
Aug 13, 2013 at 19:28 answer added Martin Hairer timeline score: 3
Aug 9, 2013 at 0:58 comment added Did math.stackexchange.com/questions/461410
Aug 7, 2013 at 11:48 comment added ems The set of these functions can be shown to be convex. Does it help ?
Aug 7, 2013 at 9:48 comment added ems Yes, simply I want to know if there is a minimal function, such that I start looking for it.
Aug 7, 2013 at 4:26 comment added Anthony Quas Do you want to tell us give us some idea of why you want to know this?
Aug 7, 2013 at 0:13 review First posts
Aug 7, 2013 at 0:37
Aug 6, 2013 at 23:58 history asked ems CC BY-SA 3.0