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This article was accepted on 11 March 2014 by reviewer Dodger67 (talk·contribs).
This article used too many capital letters in section headings and elsewhere; see WP:MOS. I've fixed the ones I found.
Some odd math-notation issues:
The second form uses \mid. That automatically provides proper spacing.
\text{exp} appeared instead of \exp more than once. \exp not only prevents italicization but also provides proper spacing in things like , whereas \text{exp} does not do anything about spacing, and the font looks different on some browsers.
