Data:L11n121/HOMFLYPT 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 -z^3 a^{-5} -z a^{-5} +z^5 a^{-3} +4 z^3 a^{-3} +6 z a^{-3} +2 a^{-3} z^{-1} -z^5 a^{-1} +a z^3-7 z^3 a^{-1} +4 a z-11 z a^{-1} +3 a z^{-1} -5 a^{-1} z^{-1} }