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2-distance, injective, and exact square list-coloring of planar graphs with maximum degree 4La, Hoang ; Štorgel, KennyIn the past various distance based colorings on planar graphs were introduced. We turn our focus to three of them, namely ▫$2$▫-distance coloring, injective coloring, and exact square coloring. A ... ▫$2$▫-distance coloring is a proper coloring of the vertices in which no two vertices at distance ▫$2$▫ receive the same color, an injective coloring is a coloring of the vertices in which no two vertices with a common neighbor receive the same color, and an exact square coloring is a coloring of the vertices in which no two vertices at distance exactly ▫$2$▫ receive the same color. We prove that planar graphs with maximum degree ▫$\Delta = 4$▫ and girth at least ▫$4$▫ are ▫$2$▫-distance list ▫$(\Delta + 7)$▫-colorable and injectively list ▫$(\Delta + 5)$▫-colorable. Additionally, we prove that planar graphs with ▫$\Delta = 4$▫ are injectively list ▫$(\Delta + 7)$▫-colorable and exact square list ▫$(\Delta + 6)$▫-colorable.Source: Discrete mathematics. - ISSN 0012-365X (iss. 8, Vol. 346, 2023, str. 1-31)Type of material - article, component part ; adult, seriousPublish date - 2023Language - englishCOBISS.SI-ID - 146968579
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