English
Related papers

Related papers: The independence coloring game on graphs

200 papers

We investigate the extent to which the $k$-coloring graph $\mathcal{C}_{k}(G)$ uniquely determines the base graph $G$ and the number of colors $k$. The vertices of $\mathcal{C}_{k}(G)$ are the proper $k$-colorings of $G$, and edges connect…

Combinatorics · Mathematics 2025-06-13 Shamil Asgarli , Sara Krehbiel , Howard W. Levinson

An odd independent set $S$ in a graph $G=(V,E)$ is an independent set of vertices such that, for every vertex $v \in V \setminus S$, either $N(v) \cap S = \emptyset$ or $|N(v) \cap S| \equiv 1$ (mod 2), where $N(v)$ stands for the open…

Combinatorics · Mathematics 2025-10-03 Yair Caro , Mirko Petruševski , Riste Škrekovski , Zsolt Tuza

Given a graph G and an integer k, two players take turns coloring the vertices of G one by one using k colors so that neighboring vertices get different colors. The first player wins iff at the end of the game all the vertices of G are…

Combinatorics · Mathematics 2007-07-04 Tom Bohman , Alan Frieze , Benny Sudakov

We denote by $\chi$ g (G) the game chromatic number of a graph G, which is the smallest number of colors Alice needs to win the coloring game on G. We know from Montassier et al. [M. Montassier, P. Ossona de Mendez, A. Raspaud and X. Zhu,…

Discrete Mathematics · Computer Science 2015-07-14 Clément Charpentier

An odd independent set $S$ in a graph $G=(V,E)$ is an independent set of vertices such that, for every vertex $v \in V \setminus S$, either $N(v) \cap S = \emptyset$ or $|N(v) \cap S| \equiv 1$ (mod 2), where $N(v)$ stands for the open…

Combinatorics · Mathematics 2026-02-17 Yair Caro , Mirko Petruševski , Riste Škrekovski , Zsolt Tuza

Consider the following hat guessing game. A bear sits on each vertex of a graph $G$, and a demon puts on each bear a hat colored by one of $h$ colors. Each bear sees only the hat colors of his neighbors. Based on this information only, each…

Combinatorics · Mathematics 2024-02-14 Václav Blažej , Pavel Dvořák , Michal Opler

Indicated coloring is a graph coloring game in which two players collectively color the vertices of a graph in the following way. In each round the first player (Ann) selects a vertex, and then the second player (Ben) colors it properly,…

Combinatorics · Mathematics 2020-02-07 P. Francis , S. Francis Raj , M. Gokulnath

We combine the ideas of edge coloring games and asymmetric graph coloring games and define the \emph{$(m,1)$-edge coloring game}, which is alternatively played by two players Maker and Breaker on a finite simple graph $G$ with a set of…

Combinatorics · Mathematics 2025-02-18 Runze Wang

In this paper we investigate the game chromatic number for complete multipartite graphs. We devise several strategies for Alice, and one strategy for Bob, and we prove their optimality in all complete multipartite graphs with no singletons.…

Combinatorics · Mathematics 2023-07-25 Paweł Obszarski , Krzysztof Turowski , Hubert Zięba

In this paper, we introduce a graph coloring game called the Edge-Distinguishing Game (EDGe). The edge-distinguishing chromatic number of a graph is used to determine the moves each player can make. We determine which player has a winning…

Combinatorics · Mathematics 2025-09-01 Nathaniel Benjamin , Elisa Benthem , Cooper Burkel , Marissa Chesser , Mike Janssen

The domatic game with pallete size $k$ is a $2$-player game played on a graph $G$ recently introduced by Hartnell and Rall. Players Alice and Bob take turns choosing an uncolored vertex from $G$, and coloring it a color from…

Combinatorics · Mathematics 2026-03-17 Sean English , London Swan

The semi-random graph process is a single player game in which the player is initially presented an empty graph on $n$ vertices. In each round, a vertex $u$ is presented to the player independently and uniformly at random. The player then…

Combinatorics · Mathematics 2024-05-14 David Gamarnik , Mihyun Kang , Pawel Pralat

We consider the following game, played on a $k$-uniform hypergraph $H$. There are $q$ colors available and two players take it in turns to color vertices. A partial coloring is proper if no edge is mono-chromatic. One player, A, wishes to…

Combinatorics · Mathematics 2019-02-11 Debsoumya Chakraborti , Alan Frieze , Mihir Hasabnis

A proper coloring of a graph is \emph{conflict-free} if, for every non-isolated vertex, some color is used exactly once on its neighborhood. Caro, Petru\v{s}evski, and \v{S}krekovski proved that every graph $G$ has a proper conflict-free…

Combinatorics · Mathematics 2024-12-16 Daniel W. Cranston , Chun-Hung Liu

The isolation game is played on a graph $G$ by two players who take turns playing a vertex such that if $X$ is the set of already played vertices, then a vertex can be selected only if it dominates a vertex from a nontrivial component of $G…

Combinatorics · Mathematics 2026-04-02 Csilla Bujtás , Tanja Dravec , Michael A. Henning , Sandi Klavžar

The online list coloring game is a two-player graph-coloring game played on a graph $G$ as follows. On each turn, a Lister reveals a new color $c$ at some subset $S \subseteq V(G)$ of uncolored vertices, and then a Painter chooses an…

Combinatorics · Mathematics 2025-09-30 Peter Bradshaw , Jinghan A Zeng

An edge-colored graph $G$ is conflict-free connected if any two of its vertices are connected by a path, which contains a color used on exactly one of its edges. The conflict-free connection number of a connected graph $G$, denoted by…

Combinatorics · Mathematics 2020-12-10 Jing Wang , Meng Ji

In a fractional coloring, vertices of a graph are assigned measurable subsets of the real line and adjacent vertices receive disjoint subsets; the fractional chromatic number of a graph is at most $k$ if it has a fractional coloring in…

Combinatorics · Mathematics 2024-07-25 Tom Kelly , Luke Postle

For given graph $H$, the independence number $\alpha(H)$ of $H$, is the size of the maximum independent set of $V(H)$. Finding the maximum independent set in a graph is a NP-hard problem. Another version of the independence number is…

Combinatorics · Mathematics 2022-01-13 Yaser Rowshan

A proper edge $t$-coloring of a graph $G$ is a coloring of edges of $G$ with colors $1,2,...,t$ such that all colors are used, and no two adjacent edges receive the same color. The set of colors of edges incident with a vertex $x$ is called…

Discrete Mathematics · Computer Science 2012-05-02 A. M. Khachatryan , R. R. Kamalian