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<math>-a z^9-z^9 a^{-1} -a^2 z^8-3 z^8 a^{-2} -4 z^8+3 a z^7-3 z^7 a^{-3} +5 a^2 z^6+11 z^6 a^{-2} -z^6 a^{-4} +17 z^6+a z^5+12 z^5 a^{-1} +11 z^5 a^{-3} -9 a^2 z^4-8 z^4 a^{-2} +3 z^4 a^{-4} -20 z^4-2 a^3 z^3-10 a z^3-16 z^3 a^{-1} -8 z^3 a^{-3} +3 a^2 z^2+z^2 a^{-2} -z^2 a^{-4} +5 z^2+2 a^3 z+6 a z+6 z a^{-1} +2 z a^{-3} +1-a z^{-1} - a^{-1} z^{-1} </math> |
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<math>z^6 a^{-4} -3 z^4 a^{-4} +z^2 a^{-4} +3 z^7 a^{-3} -11 z^5 a^{-3} +2 a^3 z^3+8 z^3 a^{-3} -2 a^3 z-2 z a^{-3} +a^2 z^8+3 z^8 a^{-2} -5 a^2 z^6-11 z^6 a^{-2} +9 a^2 z^4+8 z^4 a^{-2} -3 a^2 z^2-z^2 a^{-2} +a z^9+z^9 a^{-1} -3 a z^7-a z^5-12 z^5 a^{-1} +10 a z^3+16 z^3 a^{-1} -6 a z-6 z a^{-1} +a z^{-1} + a^{-1} z^{-1} +4 z^8-17 z^6+20 z^4-5 z^2-1</math> |
Latest revision as of 18:00, 20 February 2013
