Data:K11a292/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^4 a^{-4} +4 z^4 a^{-6} +4 z^4 a^{-8} +z^4 a^{-10} +6 z^2 a^{-6} +5 z^2 a^{-8} -2 z^2 a^{-10} -z^2 a^{-12} +2 a^{-6} + a^{-8} -2 a^{-10} }