Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:group_theory_concept
|
| gptkbp:category |
gptkb:algebra
gptkb:mathematics |
| gptkbp:introducedIn |
1949
|
| gptkbp:namedAfter |
gptkb:Graham_Higman
gptkb:Hanna_Neumann gptkb:Bernhard_Neumann |
| gptkbp:relatedTo |
gptkb:Bass–Serre_theory
amalgamated free products |
| gptkbp:usedFor |
constructing new groups from given groups
proving the Higman embedding theorem studying group actions on trees |
| gptkbp:usedIn |
combinatorial group theory
|
| gptkbp:bfsParent |
gptkb:Bass–Serre_theory
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
HNN extensions
|