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Macaulay2Doc :: CoherentSheaf (*)

CoherentSheaf (*) -- sum of twists

Synopsis

Description

i1 : R = QQ[x,y,z];
i2 : X = Proj R

o2 = X

o2 : ProjectiveVariety
i3 : Ext^0(OO_X^1, OO_X^1)

       1
o3 = QQ

o3 : QQ-module, free
i4 : Ext^0(OO_X^1, OO_X^1(*))

      1
o4 = R

o4 : R-module, free
i5 : Ext^0(OO_X^1, OO_X(*))	  

      1
o5 = R

o5 : R-module, free