Elementary Number Theory (AMS Chelsea Publishing)

Hardback

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£36.95

Description

A translation of Landau's famous Elementare Zahlentheorie with added exercises.

Contents

Part One. Foundations of Number Theory: The greatest common divisor of two numbers Prime numbers and factorization into prime factors The greatest common divisor of several numbers Number-theoretic functions Congruences Quadratic residues Pell's equation Part Two. Brun's Theorem and Dirichlet's Theorem: Introduction Some elementary inequalities of prime number theory Brun's theorem on prime pairs Dirichlet's theorem on the prime numbers in an arithmetic progression; Further theorems on congruences; Characters; \$L\$-series; Dirichlet's proof Part Three. Decomposition into Two, Three, and Four Squares: Introduction Farey fractions Decomposition into two squares Decomposition into four squares; Introduction; Lagrange's theorem; Determination of the number of solutions Decomposition into three squares; Equivalence of quadratic forms; A necessary condition for decomposability into three squares; The necessary condition is sufficient Part Four. The Class Number of Binary Quadratic Forms: Introduction Factorable and unfactorable forms Classes of forms The finiteness of the class number Primary representations by forms The representation of \$h(d)\$ in terms of \$K(d)\$ Gaussian sums; Appendix; Introduction; Kronecker's proof; Schur's proof; Mertens' proof Reduction to fundamental discriminants The determination of \$K(d)\$ for fundamental discriminants Final formulas for the class number Appendix. Exercises: Exercises for part one Exercises for part two Exercises for part three Index of conventions; Index of definitions Index.

Product Details

• ISBN13: 9780821820049
• Format: Hardback
• Number Of Pages: 256
• ID: 9780821820049
• ISBN10: 0821820044

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