v1.1:

  * Fixed: Typo: c_n\sim n^{-3/2} not n^{3/2}


v1.0:

  * Fixed: Missing factor of 1/2 in expansion of f.

  * Fixed: mean is not necessary in Theorem 3.

  * Added: Lemma on Central Limit Theorem with infinite Variance.

  * Miscellaneous changes and fixes.