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OldToricVectorBundles :: rank(ToricVectorBundle)

rank(ToricVectorBundle) -- the rank of the vector bundle

Synopsis

Description

Returns the rank $k$ of the toric vector bundle in Kaneyama's description.

i1 : E = tangentBundle projectiveSpaceFan 3

o1 = {dimension of the variety => 3 }
      number of affine charts => 4
      number of rays => 4
      rank of the vector bundle => 3

o1 : ToricVectorBundleKlyachko
i2 : rank E

o2 = 3

See also