## Number Theory: A Lively Introduction with Proofs, Applications, and Stories

### James Pommersheim; Tim Marks; Erica Flapan

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Number Theory: A Lively Introduction with Proofs, Applications, and Stories, is a new book that provides a rigorous yet accessible introduction to elementary number theory along with relevant applications.

Readable discussions motivate new concepts and theorems before their formal definitions and statements are presented. Many theorems are preceded by Numerical Proof Previews, which are numerical examples that will help give students a concrete understanding of both the statements of the theorems and the ideas behind their proofs, before the statement and proof are formalized in more abstract terms. In addition, many applications of number theory are explained in detail throughout the text, including some that have rarely (if ever) appeared in textbooks.

A unique feature of the book is that every chapter includes a math myth, a fictional story that introduces an important number theory topic in a friendly, inviting manner. Many of the exercise sets include in-depth Explorations, in which a series of exercises develop a topic that is related to the material in the section.

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From the Back Cover:

Can learning math actually be fun?

Number Theory: A Lively Introduction with Proofs, Applications, and Stories proves it can!

Number Theory: A Lively Introduction with Proofs, Applications, and Stories will introduce you to elementary number theory, helping you develop your proof writing skills while learning the core concepts in number theory as well as advanced topics used in modern applications.

To help you succeed, you'll learn "math myths"—fictional stories starring famous mathematicians that illustrate important number theory topics in a friendly, inviting manner that's easy to understand and remember. "Numerical Proof Previews" give you a concrete way to understand the key ideas of a proof. Illustrations throughout the text add to the fun and your understanding.

As accessible as the book is, it does not skimp on the serious mathematics. You'll explore:

• Methods of proof and the basic properties of the integers, including mathematical induction
• Central concepts and theorems in elementary number theory using a developmental approach, including basic divisibility properties, prime numbers, the Euclidean Algorithm, modular arithmetic (including applications), Fermat's Little Theorem, Euler's Theorem, and RSA (public-key) encryption
• Primitive roots, primality testing, quadratic reciprocity, Gaussian integers, Fermat's Two Squares Theorem, continued fractions, Pell's Equation, and Fermat's Last Theorem, and much more
• Ideal for first-timers in number theory as well as math majors and math education majors, Number Theory: A Lively Introduction with Proofs, Applications, and Stories makes learning number theory a joy!

James Pommersheim is the Katharine Piggott Professor of Mathematics at Reed College. He held post-doctoral positions at the Institute for Advanced Study, M.I.T., and U.C. Berkeley, and he served on the mathematics faculty at New Mexico State University and Pomona College. Pommersheim has published research papers in a wide variety of areas, including algebraic geometry, number theory, topology, and quantum computation. He has enjoyed teaching number theory to students at many levels: college math and math education students, talented high school students, and advanced graduate students. Pommersheim earned his Ph.D. from the University of Chicago, where he studied under William Fulton.

Tim Marks is a Research Scientist at Mitsubishi Electric Research Laboratories in Cambridge, Massachusetts. Previously, he taught high school mathematics and physics for three years, and he worked for three years as a mathematics textbook editor at McDougal Littell/ Houghton Mifflin. Marks and Pommersheim have taught number theory at the Johns Hopkins University's Center for Talented Youth (CTY) summer program for 19 years. Marks earned his A.B. degree from Harvard University. He completed his Ph.D. and postdoctoral research at the University of California, San Diego.

Erica Flapan joined the mathematics department at Pomona College in 1986. She held post-doctoral positions at Rice University and the University of California, Santa Barbara. Flapan has taught a wide range of mathematics courses and has numerous publications in topology and its applications to chemistry, including her book When Topology Meets Chemistry. She developed a course entitled "Problem Solving in the Sciences,” which aims to teach students the mathematics they need in order to succeed in science and economics. Flapan obtained her Ph.D. in knot theory from the University of Wisconsin and is the Lingurn H. Burkhead Professor of Mathematics at Pomona College.

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## 1.Number Theory: A Lively Introduction with Proofs, Applications, and Stories

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Book Description John Wiley and Sons Ltd, United Kingdom, 2010. Hardback. Book Condition: New. 1. Auflage. Language: English . Brand New Book. Number Theory: A Lively Introduction with Proofs, Applications,and Stories, is a new book that provides a rigorous yetaccessible introduction to elementary number theory along withrelevant applications. Readable discussions motivate new concepts and theorems beforetheir formal definitions and statements are presented. Manytheorems are preceded by Numerical Proof Previews, which arenumerical examples that will help give students a concreteunderstanding of both the statements of the theorems and the ideasbehind their proofs, before the statement and proof are formalizedin more abstract terms. In addition, many applications of numbertheory are explained in detail throughout the text, including somethat have rarely (if ever) appeared in textbooks. A unique feature of the book is that every chapter includes amath myth, a fictional story that introduces an importantnumber theory topic in a friendly, inviting manner. Many of theexercise sets include in-depth Explorations, in which aseries of exercises develop a topic that is related to the materialin the section. Bookseller Inventory # ALB9780470424131

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## 3.Number Theory: A Lively Introduction with Proofs, Applications and Stories (Hardback)

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Book Description John Wiley and Sons Ltd, United Kingdom, 2010. Hardback. Book Condition: New. 1. Auflage. Language: English . Brand New Book. Number Theory: A Lively Introduction with Proofs, Applications,and Stories, is a new book that provides a rigorous yetaccessible introduction to elementary number theory along withrelevant applications. Readable discussions motivate new concepts and theorems beforetheir formal definitions and statements are presented. Manytheorems are preceded by Numerical Proof Previews, which arenumerical examples that will help give students a concreteunderstanding of both the statements of the theorems and the ideasbehind their proofs, before the statement and proof are formalizedin more abstract terms. In addition, many applications of numbertheory are explained in detail throughout the text, including somethat have rarely (if ever) appeared in textbooks. A unique feature of the book is that every chapter includes amath myth, a fictional story that introduces an importantnumber theory topic in a friendly, inviting manner. Many of theexercise sets include in-depth Explorations, in which aseries of exercises develop a topic that is related to the materialin the section. Bookseller Inventory # ALB9780470424131

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