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degree(ProjectiveVariety)

Synopsis

Description

S = ZZ/32003[x,y,z];
I = ideal(x^4-4*x*y*z^2-z^4-y^4);
R = S/I;
X = variety I
degree X
The degree of a projective variety X = V(I) = Proj R is the degree of the homogeneous coordinate ring R = S/I of X.
degree X == degree I
degree X == degree R

See also