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