Traversing a Graph in General Position

Klavzar, Sandi; Krishnakumar, Aditi; Tuite, James and Yero, Ismael (2023). Traversing a Graph in General Position. Bulletin of the Australian Mathematical Society (Early Access).



Let G be a graph. Assume that to each vertex of a set of vertices SV(G) a robot is assigned. At each stage one robot can move to a neighbouring vertex. Then S is a mobile general position set of G if there exists a sequence of moves of the robots such that all the vertices of G are visited whilst maintaining the general position property at all times. The mobile general position number of G is the cardinality of a largest mobile general position set of G. In this paper, bounds on the mobile general position number are given and exact values determined for certain common classes of graphs including block graphs, rooted products, unicyclic graphs, Cartesian products, joins of graphs, Kneser graphs K(n,2) and line graphs of complete graphs.

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