Abstract
A strong edge-coloring of a graph \(G=(V,E)\) is a partition of its edge set E into induced matchings. In this paper, we will study the list version of strong edge-colorings of several classes of sparse graphs, including bipartite graphs and graphs with small edge weight, where the edge weight of a graph is defined by \(\max \{ d_G(u) + d_G(v)| uv \in E(G)\}\). We show that: (1) if G is a bipartite graph with bipartition (A, B) such that \(\Delta (A)=2\) and \(\Delta (B)=\Delta \ge 4\), then G has strong list-chromatic index at most \(3\Delta -3\); (2) every graph with edge weight at most 5 (resp. 6) has strong list-chromatic index at most 7 (resp. 11) and every planar graph with edge weight at most 6 has strong list-chromatic index at most 10; and (3) every graph with edge weight at most 7 has strong list-chromatic index at most 16.
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Communicated by Wen Chean Teh.
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The first author (Kecai Deng) is supported by NSFC (No. 11701195).
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Deng, K., Huang, N., Zhang, H. et al. List Strong Edge-Colorings of Sparse Graphs. Bull. Malays. Math. Sci. Soc. 46, 199 (2023). https://doi.org/10.1007/s40840-023-01594-z
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DOI: https://doi.org/10.1007/s40840-023-01594-z