Data:L11n420/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 a^{11}-2 z^2 a^{10}+a^{10}+z^7 a^9-6 z^5 a^9+8 z^3 a^9-3 z a^9+2 z^8 a^8-13 z^6 a^8+25 z^4 a^8-20 z^2 a^8-a^8 z^{-2} +8 a^8+z^9 a^7-5 z^7 a^7+3 z^5 a^7+8 z^3 a^7-8 z a^7+2 a^7 z^{-1} +3 z^8 a^6-20 z^6 a^6+41 z^4 a^6-33 z^2 a^6-2 a^6 z^{-2} +12 a^6+z^9 a^5-6 z^7 a^5+9 z^5 a^5-6 z a^5+2 a^5 z^{-1} +z^8 a^4-7 z^6 a^4+16 z^4 a^4-15 z^2 a^4-a^4 z^{-2} +6 a^4}