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Prove by induction that, for all n > 1, 1/(n+1) + 1/(n+2) + ... + 1/(2n) > 13/24
Given an undirected graph G=(V,E), a matching in G is a subset M of edges no two of which have a vertex in common; a perfect matching is a matching that includes all vertices. Give an inductive construction of a family of graphs Gn, n≥1, with 2n nodes and n2 edges such that Gn has exactly one perfect matching.
Chapter 1, Page 22, Problem 1.
Chapter 1, Page 22, Problem 2.
Chapter 1, Page 23, Problem 4. In this problem and the next, write a paragraph explaining why your algorithm is correct. (This doesn't have to be very formal, but do try to make it convincing.) See the faq page for some discussion about the level of detail expected when I say "give an algorithm.")
Chapter 1, Page 25, Problem 6.
Chapter 2, Page 67, Problem 2.
Chapter 2, Page 67, Problem 3.
Chapter 2, Page 67, Problem 5.
Chapter 2, Page 69, Problem 8.
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