We present a two-phase heuristic for designing a capacitated degree constrained min sum arborescence. For a given directed graph G(V,E) where V={0, 1,…,n} with nonnegative costs Cij for each (i,j)

Building the region which will be characterized by high industrialism and competitiveness requires an examination of its production capabilities. It is important to know the close environment, which will determine the suppliers and the society. This will allow to learn about the culture and...

In the wood industry, it is common practice to compare in terms of the ratio of two different strength properties for lumber of the same dimention, grade and species or the same strength property for lumber of two different dimensions, grades or species. Because United States lumber standards...