DSatur, short for Degree of Saturation, is a heuristic algorithm used in graph coloring, which is the problem of assigning colors to the vertices of a graph such that no two adjacent vertices share the same color. The DSatur algorithm is particularly effective for coloring sparse graphs and is known for its efficiency compared to other graph coloring algorithms. The main idea behind the DSatur algorithm involves the notion of "saturation degree," which is defined as the number of different colors to which a vertex is adjacent.
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