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Radio Labelings of Distance Graphs by Čada, R.; Ekstein, J.; Holub, P.; Togni, O. is a scholarly article available to read on EtoBox.

What is Radio Labelings of Distance Graphs about?

A radio $k$-labeling of a connected graph $G$ is an assignment $c$ of non negative integers to the vertices of $G$ such that $$|c(x) - c(y)| \geq k+1 - d(x,y),$$ for any two vertices $x$ and $y$, $x\ne y$, where $d(x,y)$ is the distance between $x$ and $y$ in $G$. In this paper, we study radio labelings of distance graphs, i.e., graphs with the set $\Z$ of integers as vertex set and in which two distinct vertices $i, j \in \Z$ are adjacent if and only if $|i - j| \in D$.

Author

Čada, R.; Ekstein, J.; Holub, P.; Togni, O.

Published

2012

Language

EN