Notes for AKT-090922/0:03:37

Notation: 'overcrossing' = [math]\displaystyle{ L_+ }[/math], 'undercrossing' = [math]\displaystyle{ L_- }[/math] and 'smoothing' = [math]\displaystyle{ L_0 }[/math]

(This is what I'm going to use from this point on, makes my job a lot easier! :-P )