Abstract
Berge Conjecture states that every bridgeless cubic graph has 5 perfect matchings such that each edge is contained in at least one of them. In this paper, we show that Berge Conjecture holds for bridgeless cubic graphs which have two perfect matchings with at most one common edge.





Similar content being viewed by others
References
Abreu, M., Kaiser, T., Labbate, D., Mazzuoccolo, G.: Treelike snarks. Electron. J. Comb. 23(3), P3.54 (2016)
Esperet, L., Mazzuoccolo, G.: On cubic bridgeless graphs whose edge-set cannot be covered by four perfect matchings. J. Graph Theory 77, 144–157 (2014)
Fulkerson, D.R.: Blocking and antiblocking pairs of polyhedra. Math. Program 1, 168–194 (1971)
Fouquet, J.L., Vanherpe, J.M.: On Fulkerson conjecture. Discuss. Math. Graph Theory 31(2), 253–272 (2011)
Fouquet, J. L., Vanherpe, J. M.: On the perfect matching index of bridgeless cubic graphs, arXiv:0904.1296 (2009)
Mazzuoccolo, G.: The equivalence of two conjectures of Berge and Fulkerson. J. Graph Theory 68, 125–128 (2011)
Hou, X., Lai, H.-J., Zhang, C.-Q.: On the perfect matching coverings and Even subgraph coverings. J. Graph Theory 81, 83–91 (2016)
Hao, R., Niu, J., Wang, X., Zhang, C.-Q., Zhang, T.: A note on Berge-Fulkerson colorings. Discrete Math. 309, 4235–4230 (2009)
Holton, D.A., Sheehan, J.: The Petersen Graph, Australian Mathematical Society Lecture Series 7. Cambridge University Press, Cambridge (1993)
Karam, K., Campos, C.N.: Fulkerson’s conjecture and Loupekine snarks. Discrete Math. 326, 20–28 (2014)
Steffen, E.: 1-Factor and cycle covers of cubic graphs. J. Graph Theory 78, 195–206 (2015)
Sun, W.: Covering a cubic graph by 5 perfect matchings. Discrete Math. 340, 1889–1896 (2017)
Peterson, J.: Die Theorie der reguären Graphs. Acta Math. 15, 193–220 (1891)
Seymour, P.D.: On multicolorings of cubic graphs, and conjectures of Fulkerson and Tutte. Proc. London Math. Soc. 38(3), 423–460 (1979)
Tutte, W.T.: The factorization of linear graphs. J. London Math. Soc. 22, 107–111 (1947)
Funding
This work is supported by NSFC (Grant nos. 11701332 and 12061047) and by Jiangxi Provincial Natural Science Foundation (nos: 20212BAB201027 and 20192BAB211002).
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
Conflict of interest
The authors have not disclosed any competing interests.
Additional information
Publisher's Note
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Rights and permissions
About this article
Cite this article
Sun, W., Wang, F. A Class of Cubic Graphs Satisfying Berge Conjecture. Graphs and Combinatorics 38, 66 (2022). https://doi.org/10.1007/s00373-022-02466-2
Received:
Revised:
Accepted:
Published:
DOI: https://doi.org/10.1007/s00373-022-02466-2