


The Fascinating World of Graph Theory 
The fascinating world of graph theory goes back several centuries and revolves around the study of graphs—mathematical structures showing relations between objects. With applications in biology, computer science, transportation science, and other areas, graph theory encompasses some of the most beautiful formulas in mathematics—and some of its most famous problems. For example, what is the shortest route for a traveling salesman seeking to visit a number of cities in one trip? What is the least number of colors needed to fill in any map so that neighboring regions are always colored differently? Requiring readers to have a math background only up to high school algebra, this book explores the questions and puzzles that have been studied, and often solved, through graph theory. In doing so, the book looks at graph theory’s development and the vibrant individuals responsible for the field’s growth. Introducing graph theory’s fundamental concepts, the authors explore a diverse plethora of classic problems such as the Lights Out Puzzle, the Minimum Spanning Tree Problem, the Königsberg Bridge Problem, the Chinese Postman Problem, a Knight’s Tour, and the Road Coloring Problem. They present every type of graph imaginable, such as bipartite graphs, Eulerian graphs, the Petersen graph, and trees. Each chapter contains math exercises and problems for readers to savor. An eyeopening journey into the world of graphs, this book offers exciting problemsolving possibilities for mathematics and beyond. Arthur Benjamin is professor of mathematics at Harvey Mudd College. His books include Secrets of Mental Math and Proofs That Really Count. Gary Chartrand is professor emeritus of mathematics at Western Michigan University. Ping Zhang is professor of mathematics at Western Michigan University. Chartrand and Zhang are the coauthors of several books, including A First Course in Graph Theory and Discrete Mathematics. "The Fascinating World of Graph Theory is readable and 'studentfriendly'more so than the typical math textbook . . ."Robert Schaefer, New York Journal of Books "[The authors] have set out to make graph theory not only accessible to people with a limited mathematics background, but also to make it interesting. They haveby virtue of very clear writing, combined with a greaterthanusual emphasis on the historical and personal side of the subjectsucceeded admirably."Mark Hunacek, MAA Reviews "The book is written masterfully; the narrative in each chapter flows naturally, engagingly. . . . [I]t's a popular but also comprehensive introduction into graph theory."Alexander Bogomolny, Cut the Knot blog Endorsement: "In this attractive introduction to the world of graphs, the authors entice and enthuse readers through a number of fun problems which present various aspects of the subject. Many of these problems are familiarthe fourcolor problem, the Königsberg Bridge problem, and 'instant insanity'while others are less well known or of a more serious nature. This book can be used in different waysas an entertaining book on recreational mathematics or as an accessible textbook on graph theory. I warmly recommend it."Robin J. Wilson, author of Introduction to Graph Theory "This is a beautiful introduction to graph theory! It is filled with fun material, clear explanations, and a nice collection of exercises. A great book."William J. Cook, author of In Pursuit of the Traveling Salesman "The Fascinating World of Graph Theory is wonderfully written. Entertaining applications appear first and the stories that accompany the examples go well beyond what most other books provide. This book is sure to gain a following."Jonathan L. Gross, Columbia University Preface vii Subject Areas:
 
 
 
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