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On the number of hexagons in a map |
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| Authors: | Ernest Jucovič |
| Affiliation: | Katedra Matematiky Prirodovedeckej Fakulty UPJS, Kosice, Czechoslovakia |
| Abstract: | A lower bound is given for the number of hexagonal faces in a simple map on a closed surface whose graph is 3-connected depending on the numbers of i-gonal faces, i ≠ 6, and the genus of the surface. |
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