four_dimensions_results.txt

pole[1]:=1/eps;
finite_part[1]:=(1/2*t-2)*Isunset2d(t)+2;
pole[2]:=-3/2/eps^2+(1/4*t-9/2)/eps;
finite_part[2]:=1/12*(t-1)*(t-9)*Isunset2d(t)+1/12*(t-1)*(t+3)*(t-9)*diff(Isunset2d(t),t)-9-1/4*Pi^2+13/8*t;
pole[3]:=2/eps^3+(-1/3*t+23/3)/eps^2+(35/2+1/2*Pi^2+1/36*t^2-3/2*t)/eps;
finite_part[3]:=(1/288*t^3+1/48*t^2-1/4*t-8/9)*Isunset2d(t)+(1/96*t^4+25/144*t^3-14/3*t^2+20/3*t+128/9)*diff(Isunset2d(t),t)+1/288*t*(t-4)*(t-16)*(t^2+40*t+64)*diff(diff(Isunset2d(t),t),t)+1/12*t+71/216*t^2-1/12*t*Pi^2+113/4+23/12*Pi^2-2*Zeta(3);
pole[4]:=-5/2/eps^4+(5/12*t-35/3)/eps^3+(-4565/144-5/6*Pi^2-5/144*t^2+35/16*t)/eps^2+(605/96*t-175/864*t^2+1/576*t^3-58345/864+5/36*t*Pi^2-35/9*Pi^2+10/3*Zeta(3))/eps;
finite_part[4]:=(1/17280*t^4+1/240*t^3+7/96*t^2-1253/864*t-31/1152)*Isunset2d(t)+(7/17280*t^5+229/5760*t^4+23/480*t^3-7333/432*t^2+20209/384*t+18685/384)*diff(Isunset2d(t),t)+(1/2880*t^6+1/27*t^5-619/2880*t^4-785/36*t^3+238991/1728*t^2+1133/16*t-6575/64)*diff(diff(Isunset2d(t),t),t)+1/17280*t*(t-1)*(t-25)*(t-9)*(t^3+145*t^2+3505*t+3945)*diff(diff(diff(Isunset2d(t),t),t),t)-790625/5184+5/9*(28-t)*Zeta(3)+71/2304*t^3+5/5184*(-12*Pi^2+995)*t^2+5/576*(84*Pi^2+4561)*t-1/6*Pi^4-4565/432*Pi^2;