Data:L11a544/Multivariable Alexander

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle -\frac{-t(1) t(3)^2 t(2)^2+t(3)^2 t(2)^2+t(1) t(3) t(2)^2-2 t(3) t(2)^2+2 t(1) t(3)^2 t(4) t(2)^2-2 t(3)^2 t(4) t(2)^2-t(1) t(3) t(4) t(2)^2+3 t(3) t(4) t(2)^2-t(4) t(2)^2+t(2)^2+2 t(1) t(3)^2 t(2)-t(3)^2 t(2)+t(1) t(2)-3 t(1) t(3) t(2)+3 t(3) t(2)-3 t(1) t(3)^2 t(4) t(2)+t(3)^2 t(4) t(2)-t(1) t(4) t(2)+3 t(1) t(3) t(4) t(2)-3 t(3) t(4) t(2)+2 t(4) t(2)-3 t(2)-t(1) t(3)^2-2 t(1)+3 t(1) t(3)-t(3)+t(1) t(3)^2 t(4)+t(1) t(4)-2 t(1) t(3) t(4)+t(3) t(4)-t(4)+2}{\sqrt{t(1)} t(2) t(3) \sqrt{t(4)}}}