Statements (17)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:mathematical_concept
projective line |
gptkbp:automorphismGroup |
gptkb:PGL(2,ℝ)
|
gptkbp:cardinality |
uncountable
|
gptkbp:contains |
real line plus a point at infinity
|
gptkbp:definedIn |
real numbers
|
gptkbp:dimensions |
1
|
gptkbp:heldBy |
set of all 1-dimensional linear subspaces of ℝ²
|
https://www.w3.org/2000/01/rdf-schema#label |
projective line over ℝ
|
gptkbp:isomorphicTo |
gptkb:butter
|
gptkbp:notation |
ℝP¹
|
gptkbp:topologicalType |
gptkb:butter
|
gptkbp:usedIn |
gptkb:algebraic_geometry
gptkb:geometry complex analysis |
gptkbp:bfsParent |
gptkb:SL(2,ℝ)
|
gptkbp:bfsLayer |
6
|