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Problems concerning global connectivity of directed graphs

✍ Scribed by Jørgen Bang-Jensen


Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
261 KB
Volume
5
Category
Article
ISSN
1571-0653

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On a problem of J. Zaks concerning 5-val
✍ Stanislav Jendroľ 📂 Article 📅 1984 🏛 Elsevier Science 🌐 English ⚖ 385 KB

Recently J. Zaks formulated the following Eberhard-type problem: Let (Ps, P6 .... ) be a finite sequence of nonnegative integers; does there exist a 5-valent 3-connected planar graph G such that it has exactly Pk k-gons for all k ~> 5, m i of its vertices meet exactly i triangles, 4 ~< i <~ 5, and m