1 The Foundations: Logic And Proofs 2 Basic Structures: Sets, Functions, Sequences, Sums, And Matrices 3 Algorithms 4 Number Theory And Cryptography 5 Induction And Recursion 6 Counting 7 Discrete Probability 8 Advanced Counting Techniques 9 Relations 10 Graphs 11 Trees 12 Boolean Algebra 13 Modeling Computation A Appendices expand_more
10.1 Graphs And Graph Models 10.2 Graph Terminology And Special Types Of Graphs 10.3 Representing Graphs And Graph Isomorphism 10.4 Connectivity 10.5 Euler And Hamilton Paths 10.6 Shortest-path Problems 10.7 Planar Graphs 10.8 Graph Coloring Chapter Questions expand_more
Problem 1E: In Exercises 1-3 find the number of vertices, the number of edges, and the degree of each vertex in... Problem 2E: In Exercises 1-3 find the number of vertices, the number of edges, and the degree of each vertex in... Problem 3E Problem 4E Problem 5E: Can a simple graph exist with 15 vertices each of degree five? Problem 6E: Show that the sum, over the set of people at a party, of the number of people a person has shaken... Problem 7E Problem 8E Problem 9E Problem 10E: For each of the graphs in Exercises 7-9 determine the sum of the in-degrees of the vertices and the... Problem 11E: Construct the underlying undirected graph for the graph with directed edges inFigure 2. Problem 12E: What does the degree of a vertex represent in the acquaintanceship graph, where vertices represent... Problem 13E Problem 14E: What does the degree of a vertex in the Hollywood graph re present. What does the neighborhood of a... Problem 15E: What do the in-degree and the out-degree of a vertex in a telephone call graph, as described... Problem 16E Problem 17E Problem 18E: Show that in a simple graph with at least two vertices there must be two vertices that have the same... Problem 19E: Use Exercise 18 to show that in a group of people, there must be two people who are friends with the... Problem 20E Problem 21E: In Exercises 21-25 determine whether the graph is bipartite. You may find it useful to applyTheorem... Problem 22E: In Exercises 21-25 determine whether the graph is bipartite. You may find it useful to applyTheorem... Problem 23E Problem 24E Problem 25E: In Exercises 21-25 determine whether the graph is bipartite. You may find it useful to applyTheorem... Problem 26E: For which values ofnare these graphs bipartite? a)Kn b)Cn c) Wn d)Qn Problem 27E: Suppose that therearefour employees in the computer support group of the School of Engineering of a... Problem 28E: Suppose that a new company has five employees: Zamora. Agraharam. Smith, Chou, and Macintyre. Each... Problem 29E: Suppose that therearefive young women and five young men on an island. Each man is willing to marry... Problem 30E: Suppose that therearefive young women and six young men on an island. Each woman is willing to marry... Problem 31E Problem 32E: Each of Exercises 31-33 can be solved using Hall's theorem. *32. Supposed that 2n tennis players... Problem 33E Problem 34E Problem 35E: Each of Exercises 31-33 can be solved using Hall's theorem. For the graph Gin Exercise 1 find a) the... Problem 36E Problem 37E: How many vertices and how many edges do these graphs have? a) Kn b) Cn c) Wn d) Km,n e) Qn Problem 38E Problem 39E Problem 40E Problem 41E Problem 42E: How many edges does a graph have if its degree sequence is 4, 3, 3, 2, 2? Draw such a graph. Problem 43E Problem 44E: Determine whether each of these sequences is graphic. For those that are, draw a graph having the... Problem 45E Problem 46E Problem 47E Problem 48E Problem 49E Problem 50E Problem 51E Problem 52E Problem 53E: Draw all sub graphs of this graph. Problem 54E: Let G be a graph with vertices and e edges. Let M be the maximum degree of the vertices ofG,and let... Problem 55E: For which values ofnare these graphs regular? a) Kn b)Cn c) Wn d) Qn Problem 56E Problem 57E Problem 58E: In Exercises 58-60 find the union of the given pair of simple graphs. (Assume edges with the same... Problem 59E Problem 60E: In Exercises 58-60 find the union of the given pair of simple graphs. (Assume edges with the same... Problem 61E: The complementarygraphGof a simple graph G has the same vertices as G. Two vertices are adjacent... Problem 62E: IfGis a simple graph with 15 edges andGhas 13 edges, how many vertices doesGhave? Problem 63E Problem 64E Problem 65E Problem 66E Problem 67E Problem 68E: Describe an algorithm to decide whether a graph is bipartite based on the fact that a graph is... Problem 69E: Theconverseof a directed graph G = (V, E), denoted by Gconv,is the directed graph (V, F), where the... Problem 70E: Theconverseof a directed graph G = (V, E), denoted by Gconv,is the directed graph (V, F), where the... Problem 71E Problem 72E Problem 73E: Theconverseof a directed graph G = (V, E), denoted by Gconv,is the directed graph (V, F), where the... Problem 74E Problem 75E: Theconverseof a directed graph G = (V, E), denoted by Gconv,is the directed graph (V, F), where the... format_list_bulleted