Data:L11n126/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^5 a^{-3} -3 z^3 a^{-1} +2 z^3 a^{-3} -2 z^3 a^{-5} +2 a z-4 z a^{-1} +4 z a^{-3} -2 z a^{-5} +z a^{-7} +a z^{-1} -2 a^{-1} z^{-1} +2 a^{-3} z^{-1} - a^{-5} z^{-1} }