Data:L11a238/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^{-7} +z a^{-7} -2 z^5 a^{-5} -4 z^3 a^{-5} -2 z a^{-5} - a^{-5} z^{-1} +z^7 a^{-3} +3 z^5 a^{-3} +4 z^3 a^{-3} +4 z a^{-3} +2 a^{-3} z^{-1} -2 z^5 a^{-1} +a z^3-5 z^3 a^{-1} +2 a z-4 z a^{-1} +a z^{-1} -2 a^{-1} z^{-1} }