projective space (all weights 1)

GPTKB entity

Statements (32)
Predicate Object
gptkbp:instanceOf gptkb:geometry
gptkbp:alsoKnownAs ordinary projective space
gptkbp:automorphismGroup projective linear group
gptkbp:builtBy gptkb:Vector
gptkbp:cohomologyRing Z[x]/(x^{n+1})
gptkbp:dimensions n
gptkbp:example gptkb:real_projective_plane
complex projective line
gptkbp:field complex numbers
real numbers
arbitrary field
gptkbp:firstChernClass n+1
gptkbp:fundamentalGroup trivial (for n>1, over complex numbers)
gptkbp:hasSpecialCase gptkb:weighted_projective_space
gptkbp:homogeneousCoordinates yes
gptkbp:homotopyType wedge of spheres
https://www.w3.org/2000/01/rdf-schema#label projective space (all weights 1)
gptkbp:isQuotientOf scalar multiplication
vector space minus zero vector
gptkbp:notation P^n
P^n
gptkbp:property gptkb:Riemannian_manifold
compact
connected
simply connected (for n>1, over complex numbers)
gptkbp:relatedTo Grassmannian
flag variety
gptkbp:usedIn gptkb:algebraic_geometry
gptkb:geometry
complex geometry
gptkbp:bfsParent gptkb:weighted_projective_space
gptkbp:bfsLayer 7