Coloring Number Definition
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It is an assignment of labels traditionally called colors to elements of a graph subject to certain constraints. In graph theory graph coloring is a special case of graph labeling. A proper vertex coloring of the petersen graph with 3 colors the minimum number possible.
Thus the vertices or regions having same colors form independent sets.
Wiktionary 0 00 0 votes rate this definition. Color by number noun a simple drawing exercise intended especially for children consisting of a line drawing that divides the artwork into distinct spaces the intended color of each indicated by a number and referenced from a key. Color by number noun. Most people chose this as the best definition of color by numbers.
Alternative form of color. See the dictionary meaning pronunciation and sentence examples. This number is called the chromatic number and the graph is called a properly colored graph. While graph coloring the constraints that are set on the graph are colors order of coloring the way of assigning color etc.
A coloring is given to a vertex or a particular region.
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