characteristics:

• dim( )=n complex dimensions
• for homogenous coordinates points in correspond to lines (actually planes) in defined by the equivalance relation ~ so ~.
• Covering: s.t. . Then is an n-dimensional open set. On the overlap of and , for and for .
• 
• Generalize to Grassmannian manifolds

source psfile jl@crush.caltech.edu index Grassmannian_manifolds