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The graph coloring problem is to color vertices of a graph so that no adjacent vertices are of the same color. The problem is difficult not only in finding the optimal solution, but also in approximation. Since it is hard to approximate the minimum number of colors, we consider to approximate the maximum number of unused colors. This approximation is based on saving colors with respect to the most...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.