@article{oai:ynu.repo.nii.ac.jp:00012005,
 author = {Kenta, Ozeki},
 journal = {Combinatorica},
 month = {May},
 note = {A Kempe switch of a 3-edge-coloring of a cubic graph G on a bicolored cycle C swaps the colors on C and gives rise to a new 3-edge-coloring of G. Two 3-edge-colorings of G are Kempe equivalent if they can be obtained from each other by a sequence of Kempe switches. Fisk proved that any two 3-edge-colorings in a cubic bipartite planar graph are Kempe equivalent. In this paper, we obtain an analog of this theorem and prove that all 3-edge-colorings of a cubic bipartite projective-planar graph G are pairwise Kempe equivalent if and only if G has an embedding in the projective plane such that the chromatic number of the dual triangulation G* is at least 5. As a by-product of the results in this paper, we prove that the list-edge-coloring conjecture holds for cubic graphs G embedded on the projective plane provided that the dual G* is not 4-vertex-colorable.},
 pages = {1451--1480},
 title = {Kempe Equivalence Classes of Cubic Graphs Embedded on the Projective Plane},
 volume = {42},
 year = {2022}
}