deletions | additions       diff --git a/oscillationTheory.tex b/oscillationTheory.tex  index 2a8c573..1228518 100644  --- a/oscillationTheory.tex  +++ b/oscillationTheory.tex 
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E_{i}^2 &= p_{i}^2 + m_{i}^2 \\  &= p_{i}^2 (1 + \frac{m_{i}^2}{p_{i}^2}) \\  E_{i} &\approx p_{i} (1 + \frac{m_{i}^2}{2 p_{i}^2})  &\approx p_{i} + \frac{m_{i}^2}{2 p_{i}}  \end{split}  \end{equation}