The general position achievement game played on graphs
Sandi Klav\v{z}ar, Neethu P. K., Ullas Chandran S. V

TL;DR
This paper introduces and analyzes a new combinatorial game played on graphs where players select vertices to form a general position set, exploring winning strategies on various graph products.
Contribution
It defines the general position achievement game, establishes winning conditions, and studies its behavior on Cartesian and lexicographic product graphs.
Findings
Player A wins on $K_n imes K_m$ if and only if both n and m are odd.
Player B wins on $G imes K_n$ if B wins on G or n is even.
The paper provides sufficient conditions for each player's victory.
Abstract
A general position set of a graph is a set of vertices in such that no three vertices from lie on a common shortest path. In this paper we introduce and study the general position achievement game. The game is played on a graph by players A and B who alternatively pick vertices of . A selection of a vertex is legal if has not been selected before and the set of vertices selected so far forms a general position set of . The player who selects the last vertex wins the game. Playable vertices at each step of the game are described, and sufficient conditions for each of the players to win is given. The game is studied on Cartesian and lexicographic products. Among other results it is proved that A wins the game on if and only if both and are odd, and that B wins the game on if and only if either B wins on or is even.
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Taxonomy
TopicsAdvanced Graph Theory Research · Graph Labeling and Dimension Problems · Artificial Intelligence in Games
