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Jan 3, 2014 at 3:41 vote accept Jiang
Jun 29, 2011 at 18:47 answer added Dave Penneys timeline score: 2
Jun 29, 2011 at 16:34 answer added Matthew Daws timeline score: 1
Jun 29, 2011 at 16:26 history edited Matthew Daws CC BY-SA 3.0
Fixed LaTeX
Jun 29, 2011 at 16:23 comment added MTS Other than the standard textbooks (Takesaki, Sakai, etc) I don't have anything, sorry.
Jun 29, 2011 at 15:44 comment added Jiang do you have any suggestions on how to attack this problem or reference, papers linked to this question?
Jun 29, 2011 at 15:39 comment added MTS This is a very difficult question to answer. It is analogous to asking which sequences arise as the Fourier coefficients of a continuous function. I am pessimistic that there is any meaningful characterization here.
Jun 29, 2011 at 14:22 history asked Jiang CC BY-SA 3.0