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Macaulay2Doc :: genus(Ring)

genus(Ring) -- arithmetic genus

Synopsis

Description

Computes the arithmetic genus of the projective scheme V with homogeneous coordinate ring R
i1 : R = QQ[x,y,z]/ideal(y^2*z-x^3)

o1 = R

o1 : QuotientRing
i2 : genus R

o2 = 1

See also