Macaulay2 » Documentation
Packages » MultiprojectiveVarieties :: GG
next | previous | forward | backward | up | index | toc

GG -- the Grassmannian of k-dimensional linear subspaces of an n-dimensional projective space

Description

i1 : GG(2,PP_QQ^5)

o1 = GG(2,5) ⊂ PP^19

o1 : ProjectiveVariety, GG(2,5)
i2 : describe oo

o2 = ambient:.............. PP^19
     dim:.................. 9
     codim:................ 10
     degree:............... 42
     generators:........... 2^35 
     purity:............... true
     dim sing. l.:......... -1

See also

Ways to use GG:

  • GG(EmbeddedProjectiveVariety)
  • GG(Ring)
  • GG(Ring,ZZ,ZZ)
  • GG(ZZ,EmbeddedProjectiveVariety)
  • GG(ZZ,ZZ)
  • GG(ZZ,MultirationalMap) -- induced automorphism of the Grassmannian
  • GG(ZZ,RationalMap) -- see GG(ZZ,MultirationalMap) -- induced automorphism of the Grassmannian

For the programmer

The object GG is a method function.


The source of this document is in MultiprojectiveVarieties.m2:4004:0.