Data:L11n362/Multivariable Alexander

[math]\displaystyle{ v u^4-v w u^4+v^2 u^3-3 v u^3-v^2 w u^3+3 v w u^3-w u^3+u^3-2 v^2 u^2+4 v u^2+2 v^2 w u^2-4 v w u^2+2 w u^2-2 u^2+v^2 u-3 v u-v^2 w u+3 v w u-w u+u+v-v w }[/math]