deletions | additions       diff --git a/Introduction.tex b/Introduction.tex  index b2c81d5..4d9fe71 100644  --- a/Introduction.tex  +++ b/Introduction.tex 
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\\  sr^+[r,s^+]+s[r,r^+]s^++r^+[s,s^+]r+[s,r^+]s^+r=1\\  [r,r^+rr^+]=N+\frac{1}{2}-N=\frac{1}{2} \\  [s,s^+ss^+]=\frac{1}{2} \\  [r,r^+]=\sqrt{n+\frac{1}{2}} - \sqrt{n} \\  [s,s^+]=\sqrt{n+1}-\sqrt{n+\frac{1}{2}} \\  [r,s^+]=[s,r^+]=\sqrt[4]{n+\frac{1}{2}}\sqrt[4]{n+1}-\sqrt[4]{n+\frac{1}{2}}\sqrt[4]{n}  \end{equation}