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Petersen-colorings and some families of snarksHägglund, Jonas ; Steffen, EckhardIn this paper we study Petersen-colorings and strong Petersen-colorings on some well known families of snarks, e.g. Blanuša snarks, Goldberg snarks and flower snarks. In particular, it is shown that ... flower snarks have a Petersen-coloring but they do not have a strong Petersen-coloring. Furthermore it is proved that possible minimum counterexamples to Jaegers Petersen-coloring conjecture do not contain a specific subdivision of ▫$K_{3, 3}$▫.Source: Ars mathematica contemporanea : special issue Bled'11 (Vol. 7, no. 1, 2014, str. 161-173)Type of material - conference contribution ; adult, seriousPublish date - 2014Language - englishCOBISS.SI-ID - 16796505
Author
Hägglund, Jonas |
Steffen, Eckhard
Topics
Petersen colorings |
strong Petersen colorings |
snarks
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Hägglund, Jonas | |
Steffen, Eckhard |
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