Inequalities: A Mathematical Olympiad Approach

Name: Inequalities: A Mathematical Olympiad Approach
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Radmila Bulajich Manfrino · José Antonio Gómez Ortega · Rogelio Valdez Delgado

2010年1月 · Springer Science & Business Media

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This book is intended for the Mathematical Olympiad students who wish to p- pare for the study of inequalities, a topic now of frequent use at various levels of mathematical competitions. In this volume we present both classic inequalities and the more useful inequalities for confronting and solving optimization pr- lems. An important part of this book deals with geometric inequalities and this fact makes a big di?erence with respect to most of the books that deal with this topic in the mathematical olympiad. The book has been organized in four chapters which have each of them a di?erent character. Chapter 1 is dedicated to present basic inequalities. Most of them are numerical inequalities generally lacking any geometric meaning. H- ever, where it is possible to provide a geometric interpretation, we include it as we go along. We emphasize the importance of some of these inequalities, such as the inequality between the arithmetic mean and the geometric mean, the Cauchy- Schwarzinequality, the rearrangementinequality, the Jensen inequality, the Mu- head theorem, among others. For all these, besides giving the proof, we present several examples that show how to use them in mathematical olympiad pr- lems. We also emphasize how the substitution strategy is used to deduce several inequalities.