Data:L9a11/Kauffman 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^4 z^8-a^2 z^8-2 a^5 z^7-6 a^3 z^7-4 a z^7-2 a^6 z^6-5 a^4 z^6-9 a^2 z^6-6 z^6-a^7 z^5+5 a^3 z^5-4 z^5 a^{-1} +4 a^6 z^4+12 a^4 z^4+17 a^2 z^4-z^4 a^{-2} +8 z^4+3 a^7 z^3+7 a^5 z^3+7 a^3 z^3+7 a z^3+4 z^3 a^{-1} -2 a^6 z^2-7 a^4 z^2-7 a^2 z^2-2 z^2-3 a^7 z-7 a^5 z-8 a^3 z-4 a z+a^4+a^7 z^{-1} +2 a^5 z^{-1} +2 a^3 z^{-1} +a z^{-1} }