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  1. No Access

    Article

    Generalized List Colouring of Graphs

    This paper disproves a conjecture in Wang et al. (Graphs Comb. 31:1779–1787, 2015) and answers in the negative a question in Dvořák et al. (Electron J Comb:P26, 2019). In return, we pose five open problems.

    Eun-Kyung Cho, Ilkyoo Choi, Yiting Jiang, Ringi Kim, Boram Park… in Graphs and Combinatorics (2021)

  2. No Access

    Article

    Largest 2-Regular Subgraphs in 3-Regular Graphs

    For a graph G, let \(f_2(G)\) ...

    Ilkyoo Choi, Ringi Kim, Alexandr V. Kostochka, Boram Park… in Graphs and Combinatorics (2019)