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<math>a z^7+z^7 a^{-1} +3 a^2 z^6+3 z^6 a^{-2} +6 z^6+2 a^3 z^5+5 a z^5+5 z^5 a^{-1} +2 z^5 a^{-3} +a^4 z^4-5 a^2 z^4-5 z^4 a^{-2} +z^4 a^{-4} -12 z^4-2 a^3 z^3-12 a z^3-12 z^3 a^{-1} -2 z^3 a^{-3} -2 a^4 z^2+5 a^2 z^2+5 z^2 a^{-2} -2 z^2 a^{-4} +14 z^2+8 a z+8 z a^{-1} +a^4-4 a^2-4 a^{-2} + a^{-4} -9-2 a z^{-1} -2 a^{-1} z^{-1} +a^2 z^{-2} + a^{-2} z^{-2} +2 z^{-2} </math> |
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<math>a^4 z^4+z^4 a^{-4} -2 a^4 z^2-2 z^2 a^{-4} +a^4+ a^{-4} +2 a^3 z^5+2 z^5 a^{-3} -2 a^3 z^3-2 z^3 a^{-3} +3 a^2 z^6+3 z^6 a^{-2} -5 a^2 z^4-5 z^4 a^{-2} +5 a^2 z^2+5 z^2 a^{-2} +a^2 z^{-2} + a^{-2} z^{-2} -4 a^2-4 a^{-2} +a z^7+z^7 a^{-1} +5 a z^5+5 z^5 a^{-1} -12 a z^3-12 z^3 a^{-1} +8 a z+8 z a^{-1} -2 a z^{-1} -2 a^{-1} z^{-1} +6 z^6-12 z^4+14 z^2+2 z^{-2} -9</math> |
Latest revision as of 16:36, 20 February 2013
