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On the characteristic set,centroid, and centre for a tree |
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| Authors: | Nair Abreu Eliseu Fritscher Steve Kirkland |
| Affiliation: | 1. PEP/COPPE, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.;2. Department of Mathematics, University of Manitoba, Winnipeg, Canada. |
| Abstract: | |
| Keywords: | Tree characteristic vertex centroid centre |