Data:9 36/Alexander Polynomial

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 -t^3+5 t^2-8 t+9-8 t^{-1} +5 t^{-2} - t^{-3} }