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The Extended Tree Knapsack Problem(ETKP) is a generalized version of the Tree Knapsack Problem where an arbitrary nonlinear traac-ow cost is imposed. This problem can be solved by the straightforward \bottom-up" approach with a time complexity of O(nH 2), where n is the number of nodes in the tree, and H is the knapsack capacity. In this paper, we show that… (More)

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