i1 : V = Proj(QQ[a,b,c]/ideal(b^2*c-a^2*(a+c))) o1 = V o1 : ProjectiveVariety |
i2 : genus V o2 = 1 |
i3 : R = ZZ/101[x_0..x_5]; |
i4 : M = random(R^4, R^{4:-1}); 4 4 o4 : Matrix R <--- R |
i5 : I = minors(3, M+transpose(M)); o5 : Ideal of R |
i6 : V = Proj(R/I); |
i7 : genus V o7 = 0 |