Nowhere-zero flow

Results: 5



#Item
1Graph theory / Graph coloring / Planar graph / Triangle-free graph / Nowhere-zero flow / Interval edge coloring / Incidence coloring

3-coloring triangle-free planar graphs with a precolored 8-cycle Zdenˇek Dvoˇra´k ∗

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Source URL: orion.math.iastate.edu

Language: English - Date: 2014-08-22 14:45:15
2Graph coloring / Planar graph / Nowhere-zero flow / Four color theorem / Chordal graph / Triangle-free graph / Interval edge coloring / Outerplanar graph

coloring triangle-free planar graphs with a precolored 9-cycle

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Source URL: orion.math.iastate.edu

Language: English - Date: 2015-01-29 17:07:54
3Graph coloring / Minor / Petersen graph / Conjectures / Matroid / Hypergraph / Nowhere-zero flow / Graph / Degeneracy / Graph theory / Mathematics / Matroid theory

Survey of Problems, Questions, and Conjectures We here collect unsolved problems, questions, and conjectures mentioned in this book. For terminology and background, we refer to the pages indicated. 1 (page 41). Is NP6=P

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Source URL: www.ime.usp.br

Language: English - Date: 2013-04-30 09:54:41
4Topological graph theory / Petersen graph / Apex graph / Linkless embedding / Minor / Nowhere-zero flow / Cubic graph / Line graph / Petersen family / Graph theory / Graph coloring / Planar graphs

Progress on the Four-Color Theorem PAUL SEYMOUR

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Source URL: www.mathunion.org

Language: English - Date: 2012-04-18 10:52:07
5Graph coloring / Minor / Petersen graph / Conjectures / Matroid / Nowhere-zero flow / Hypergraph / Cubic graph / Graph / Graph theory / Mathematics / Matroid theory

Survey of Problems, Questions, and Conjectures We here collect unsolved problems, questions, and conjectures mentioned in

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Source URL: homepages.cwi.nl

Language: English - Date: 2004-08-26 05:52:03
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