Data:L11a201/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 -a^3 z^7-a z^7+a^5 z^5-4 a^3 z^5-5 a z^5+z^5 a^{-1} +3 a^5 z^3-4 a^3 z^3-9 a z^3+4 z^3 a^{-1} +2 a^5 z-a^3 z-8 a z+4 z a^{-1} +a^5 z^{-1} -2 a z^{-1} + a^{-1} z^{-1} }