Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:appearsIn |
gptkb:Braids,_Links,_and_Mapping_Class_Groups_(book)
|
| gptkbp:appliesTo |
oriented surfaces
|
| gptkbp:category |
gptkb:exact_sequence
|
| gptkbp:describes |
relationship between mapping class groups of surfaces with and without punctures
|
| gptkbp:field |
gptkb:topology
geometric topology |
| gptkbp:form |
1 → π₁(S) → Mod(S₁) → Mod(S) → 1
1 → π₁(Homeo₀(S, x₀)) → π₁(Homeo(S, x₀)) → π₁(Homeo(S)) → 1 |
| gptkbp:namedAfter |
gptkb:Joan_Birman
|
| gptkbp:publishedIn |
1974
|
| gptkbp:relatedTo |
gptkb:mapping_class_group
gptkb:surface_braid_group |
| gptkbp:usedIn |
low-dimensional topology
study of surface diffeomorphisms |
| gptkbp:bfsParent |
gptkb:Joan_Birman
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Birman exact sequence
|