Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geometry
gptkb:mathematical_concept gptkb:topology gptkb:Riemannian_manifold non-orientable surface |
| gptkbp:canBeEmbeddedIn |
gptkb:4-dimensional_Euclidean_space
|
| gptkbp:cannotBeEmbeddedIn |
gptkb:3-dimensional_Euclidean_space
|
| gptkbp:chromaticNumber |
6
|
| gptkbp:dimensions |
2
|
| gptkbp:doubleCover |
2-sphere
|
| gptkbp:Euler_characteristic |
1
|
| gptkbp:fullName |
gptkb:real_projective_plane
|
| gptkbp:fundamentalGroup |
gptkb:Z/2Z
|
| gptkbp:genus |
1 (non-orientable genus)
|
| gptkbp:homologyGroupH1 |
gptkb:Z/2Z
|
| gptkbp:homologyGroupH2 |
0
|
| https://www.w3.org/2000/01/rdf-schema#label |
RP^2
|
| gptkbp:isNonOrientable |
true
|
| gptkbp:isQuotientOf |
2-sphere by antipodal map
|
| gptkbp:universalCover |
2-sphere
|
| gptkbp:bfsParent |
gptkb:real_projective_plane
|
| gptkbp:bfsLayer |
6
|