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On Suborbital Graphs for the Modular Group |
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| Authors: | Akbas M |
| Institution: | KTÜ Fen-Edebiyat Fakültesi, Matematik Bölümü 61080-Trabzon, Turkey; akbas{at}ktu.edu.tr |
| Abstract: | This paper proves a conjecture of G. A. Jones, D. Singermanand K. Wicks, that a suborbital graph for the modular groupis a forest if and only if it contains no triangles. 2000 MathematicsSubject Classification 05C05, 05C20, 20H35. |
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