Sophie

Sophie

distrib > Fedora > 15 > i386 > by-pkgid > 7ebd25ac536d248d499a3ce2acda963a > files > 2799

Macaulay2-1.3.1-8.fc15.i686.rpm

-- -*- M2-comint -*- {* hash: -603006588 *}

i1 : R = ZZ/101[x_0..x_2];

i2 : V = Proj R;

i3 : S = sheaf(image matrix {{x_0^3+x_1^3+x_2^3}})

o3 = image | x_0^3+x_1^3+x_2^3 |

                                         1
o3 : coherent sheaf on V, subsheaf of OO
                                        V

i4 : h = hilbertPolynomial S

o4 = 3*P  - 3*P  + P
        0      1    2

o4 : ProjectiveHilbertPolynomial

i5 : hilbertPolynomial(S, Projective=>false)

     1 2   3
o5 = -i  - -i + 1
     2     2

o5 : QQ[i]

i6 :