Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
gptkb: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
|
| 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 |
9
|
| https://www.w3.org/2000/01/rdf-schema#label |
projective line over ℝ
|