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Trace operator

  1. Jul 20, 2009 #1
    given the function (or distribution)

    [tex] \sum_{n=0}^{\infty} f(E_n,u )= Z(u) [/tex] for 'f' an arbitrary function and [tex] E_n [/tex] a set of eigenvalues of a certain operator [tex] f (L) [/tex] with L self adjoint so all the eigenvalues are real , could we obtain the form of 'L' from Z(u) ??
  2. jcsd
  3. Aug 7, 2009 #2
    Define [tex]f(E_n,u )[/tex]
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