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13.5 Show that the integrality gap of the relaxation for the following two variants of multiset multicover, based on LP (13.2


13.1 Dual-fitting-based analysis for the greedy set cover algorithm To formulate the set cover problem as an integer program,
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  • 13.5 Show that the integrality gap of the relaxation for the following two variants of multiset...

    13.5 Show that the integrality gap of the relaxation for the following two variants of multiset multicover, based on LP (13.2), is not bounded by any function of n 1. Remove the restriction that M(S, e) <re 2. Impose the constraint that each set can be picked at most once. What is the best approximation guarantee you can establish for the greedy algorithm for the second variant. Why does the proof of factor Hn given in Section 13.2 not extend...

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