On n-stars in colorings and orientations of graphs
An n-star S in a graph G is the union of geodesic intervals I1,…,Ik with common end O such that the subgraphs I1∖{O},…,Ik∖{O} are pairwise disjoint and l(I1)+…+l(Ik)=n. If the edges of G are oriented, S is directed if each ray Ii is directed. For natural number n,r, we construct a graph G of diam(G)...
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| Veröffentlicht in: | Algebra and Discrete Mathematics |
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| Datum: | 2016 |
| 1. Verfasser: | |
| Format: | Artikel |
| Sprache: | English |
| Veröffentlicht: |
Інститут прикладної математики і механіки НАН України
2016
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| Online Zugang: | https://nasplib.isofts.kiev.ua/handle/123456789/155731 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | On n-stars in colorings and orientations of graphs / I.V. Protasov // Algebra and Discrete Mathematics. — 2016. — Vol. 22, № 2. — С. 301-303. — Бібліогр.: 3 назв. — англ. |
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