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Beschreibung
The main goal of this work is to construct a graph of groups for a pregroup P from the order tree for P; to construct a pregroup from the resulting graph of groups and to generalize this idea to construct a pregroup from any arbitrary graph of groups; to show that the universal group of the pregroup U(P) is isomorphic to the fundamental group of the graph of groups constructed above; also to define a natural length function on the fundamental group of a graph of groups.By this way we have proved that any group has Length function Has an up-down pregroup.
Details
| Verlag | Noor Publishing |
| Ersterscheinung | 31. August 2017 |
| Maße | 22 cm x 15 cm x 1.1 cm |
| Gewicht | 286 Gramm |
| Format | Softcover |
| ISBN-13 | 9783330801394 |
| Seiten | 180 |
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