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Let $G$ be a simple graph. A total dominator coloring of $G$ is a proper coloring of the vertices of $G$ in which each vertex of the graph is adjacent to every vertex of some color class. The total dominator chromatic number $\chi_d^t(G)$…

Combinatorics · Mathematics 2015-11-06 Saeid Alikhani , Nima Ghanbari

Let $G$ be a simple graph. A total dominator coloring of $G$ is a proper coloring of the vertices of $G$ in which each vertex of the graph is adjacent to every vertex of some color class. The total dominator chromatic number $\chi_d^t(G)$…

Combinatorics · Mathematics 2016-06-03 Nima Ghanbari , Saeid Alikhani

We introduce and study the dominated edge coloring of a graph. A dominated edge coloring of a graph $G$ is a proper edge coloring of $G$ such that each color class is dominated by at least one edge of $G$. The minimum number of colors among…

Combinatorics · Mathematics 2020-03-24 Mohammad R. Piri , Saeid Alikhani

Let $G$ be a simple graph. A total dominator coloring of $G$, is a proper coloring of the vertices of $G$ in which each vertex of the graph is adjacent to every vertex of some color class. The total dominator chromatic (TDC) number…

Combinatorics · Mathematics 2018-01-22 Saeid Alikhani , Nima Ghanbari , Samaneh Soltani

A total dominator coloring of a graph $G$ is a proper coloring of $G$ in which each vertex of the graph is adjacent to every vertex of some color class. The total dominator chromatic number $\chi_d^t(G)$ of $G$ is the minimum number of…

Combinatorics · Mathematics 2019-06-12 Adel P. Kazemi

A total dominator coloring of a graph G is a proper coloring of G in which each vertex of the graph is adjacent to every vertex of some color class. The total dominator chromatic number of a graph is the minimum number of color classes in a…

Combinatorics · Mathematics 2021-04-27 Farshad Kazemnejad , Behnaz Pahlavsay , Elisa Palezzato , Michele Torielli

A total dominator coloring of a graph $G$ is a proper coloring of $G$ in which each vertex of the graph is adjacent to every vertex of some color class. The total dominator chromatic number of a graph is the minimum number of color classes…

Combinatorics · Mathematics 2018-05-09 Farshad Kazemnejad , Adel P. Kazemi

The total dominator total coloring of a graph is a total coloring of the graph such that each object of the graph is adjacent or incident to every object of some color class. The minimum namber of the color classes of a total dominator…

Combinatorics · Mathematics 2021-12-30 Adel P. Kazemi , Farshad Kazemnejad

Given a graph $G$, the total dominator coloring problem seeks a proper coloring of $G$ with the additional property that every vertex in the graph is adjacent to all vertices of a color class. We seek to minimize the number of color…

Combinatorics · Mathematics 2018-08-14 Adel P. Kazemi

Total dominator total coloring of a graph is a total coloring of the graph such that each object of the graph is adjacent or incident to every object of some color class. The minimum namber of the color classes of a total dominator total…

Combinatorics · Mathematics 2020-02-27 Adel P. Kazemi , Farshad Kazemnejad

Let $G=(V,E)$ be a graph with no isolated vertices. A vertex $v$ totally dominate a vertex $w$ ($w \ne v$), if $v$ is adjacent to $w$. A set $D \subseteq V$ called a total dominating set of $G$ if every vertex $v\in V$ is totally dominated…

Discrete Mathematics · Computer Science 2023-03-06 Michael A. Henning , Kusum , Arti Pandey , Kaustav Paul

A domination coloring of a graph $G$ is a proper vertex coloring of $G$ such that each vertex of $G$ dominates at least one color class, and each color class is dominated by at least one vertex. The minimum number of colors among all…

Discrete Mathematics · Computer Science 2019-09-10 Yangyang Zhou , Dongyang Zhao

Let $G$ be a simple graph. A total dominator coloring of $G$, is a proper coloring of the vertices of $G$ in which each vertex of the graph is adjacent to every vertex of some color class. The total dominator chromatic (TDC) number…

Combinatorics · Mathematics 2017-05-30 Nima Ghanbari , Saeid Alikhani

Let $G$ be a simple graph of order $n$. A majority dominator coloring of a graph $G$ is proper coloring in which each vertex of the graph dominates at least half of one color class. The majority dominator chromatic number $\chi_{md}(G)$ is…

Combinatorics · Mathematics 2023-01-02 Marcin Anholcer , Azam Sadat Emadi , Doost Ali Mojdeh

Let $G$ be a simple graph. The dominated coloring of a graph $G$ is a proper coloring of $G$ such that each color class is dominated by at least one vertex. The minimum number of colors needed for a dominated coloring of $G$ is called the…

Combinatorics · Mathematics 2019-12-03 Saeid Alikhani , Mohammad R. Piri

The total chromatic number, $\chi''(G)$ is the minimum number of colors which need to be assigned to obtain a total coloring of the graph $G$. The Total Coloring Conjecture (TCC) made independently by Behzad and Vizing that for any graph,…

Combinatorics · Mathematics 2021-11-01 R. Navaneeth , J. Geetha , K. Somasundaram , Hung-Lin Fu

Let $G$ be a simple graph. The dominated coloring of $G$ is a proper coloring of $G$ such that each color class is dominated by at least one vertex. The minimum number of colors needed for a dominated coloring of $G$ is called the dominated…

Combinatorics · Mathematics 2019-10-10 Saeid Alikhani , Mohammad R. Piri

For a simple graph $G$, a domination coloring of $G$ is a proper vertex coloring such that every vertex of $G$ dominates at least one color class, and every color class is dominated by at least one vertex. The domination chromatic number,…

Discrete Mathematics · Computer Science 2019-09-13 Yangyang Zhou , Dongyang Zhao

A well-studied concept is that of the total chromatic number. A proper total colouring of a graph is a colouring of both vertices and edges so that every pair of adjacent vertices receive different colours, every pair of adjacent edges…

Combinatorics · Mathematics 2010-09-14 Tom Coker , Karen Johannson

Domination and coloring are two classic problems in graph theory. The major focus of this paper is the CD-COLORING problem which combines the flavours of domination and colouring. Let $G$ be an undirected graph. A proper vertex coloring of…

Data Structures and Algorithms · Computer Science 2024-10-01 Dhanyamol Antony , L. Sunil Chandran , Ankit Gayen , Shirish Gosavi , Dalu Jacob
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