Data:L11a15/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} + a^{-7} z^{-1} +z^5 a^{-5} +z^3 a^{-5} -z a^{-5} -2 a^{-5} z^{-1} +z^5 a^{-3} -z a^{-3} +z^5 a^{-1} -a z^3+2 z^3 a^{-1} -a z+3 z a^{-1} + a^{-1} z^{-1} }