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Knapsack problems with position-dependent item weights or profits. (English) Zbl 1532.90095

Summary: We consider three new knapsack problems with variable weights or profits of items, where the weight or profit of an item depends on the position of the item in the sequence of items packed in the knapsack. We show how to solve the problems exactly using dynamic programming algorithms with pseudo-polynomial running times and propose fully polynomial-time approximation schemes for their approximate solution.

MSC:

90C27 Combinatorial optimization
90C39 Dynamic programming

References:

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