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Schubert2 :: point

point -- the default base variety of dimension 0

Synopsis

Description

i1 : point

o1 = point

o1 : an abstract variety of dimension 0
i2 : dim point

o2 = 0
i3 : intersectionRing point

o3 = QQ[]

o3 : PolynomialRing
i4 : X = abstractProjectiveSpace 4

o4 = X

o4 : a flag bundle with subquotient ranks {1, 4}
i5 : f = X.StructureMap

o5 = f

o5 : a map to point from X
i6 : target f

o6 = point

o6 : an abstract variety of dimension 0

For the programmer

The object point is an abstract variety.