Question
(Hitting set) Given a collection C = (S1, S2,..., Sn) of sub- sets of U let HCU be called a hitting set if HS;
(Hitting set) Given a collection C = (S1, S2,..., Sn) of sub- sets of U let HCU be called a hitting set if HS; is non-empty for each Si, 1 i n. Show that the problem of deciding whether C has a hitting set of given size k is NP-Complete. You may assume that SAT, 3CNFSAT, k-Clique, k-Vertex Cover, k-IND, HAMILTONCYCLE are NP-Complete.
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Microeconomics An Intuitive Approach with Calculus
Authors: Thomas Nechyba
1st edition
538453257, 978-0538453257
