Data:L11a90/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^7 a^{-3} -2 z^5 a^{-1} +4 z^5 a^{-3} -2 z^5 a^{-5} +a z^3-7 z^3 a^{-1} +7 z^3 a^{-3} -5 z^3 a^{-5} +z^3 a^{-7} +3 a z-8 z a^{-1} +7 z a^{-3} -3 z a^{-5} +z a^{-7} +2 a z^{-1} -4 a^{-1} z^{-1} +3 a^{-3} z^{-1} - a^{-5} z^{-1} }