On walk domination: weakly toll domination, $l_2$ and $l_3$ domination
Discussiones Mathematicae. Graph Theory, Tome 44 (2024) no. 3, pp. 837-861

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In this paper we study domination between different types of walks connecting two non-adjacent vertices of a graph. In particular, we center our attention on weakly toll walk and l_k-path for k ∈{2,3}. A walk between two non-adjacent vertices in a graph G is called a weakly toll walk if the first and the last vertices in the walk are adjacent, respectively, only to the second and second-to-last vertices, which may occur more than once in the walk. And an l_k-path is an induced path of length at most k between two non-adjacent vertices in a graph G. We study the domination between weakly toll walks, l_k-paths (k ∈{2,3}) and different types of walks connecting two non-adjacent vertices u and v of a graph (shortest paths, induced paths, paths, tolled walks, weakly toll walks, l_k-paths for k ∈{3,4}), and show how these give rise to characterizations of graph classes.
Keywords: domination, paths, geodesic, chordal graphs, interval graphs
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     title = {On walk domination: weakly toll domination, $l_2$ and $l_3$ domination},
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Gutierrez, Marisa; Tondato, Silvia. On walk domination: weakly toll domination, $l_2$ and $l_3$ domination. Discussiones Mathematicae. Graph Theory, Tome 44 (2024) no. 3, pp. 837-861. http://geodesic.mathdoc.fr/item/DMGT_2024_44_3_a1/