On the differential approximation of MIN SET COVER (juin 2004)
نویسندگان
چکیده
منابع مشابه
Differential approximations for min set cover
We present in this paper differential approximation results for min set cover and min weighted set cover. We first show that the differential approximation ratio of the natural greedy algorithm for min set cover is bounded below by 1.365/∆ and above by 4/(∆+1), where ∆ is the maximum set-cardinality in the min set cover-instance. Next we study another approximation algorithm for min set cover t...
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