The Higher Arithmetic An Introduction to the Theory of Numbers 8th edition by Davenport – Ebook PDF Instant Download/Delivery: 9781139636551, 1139636553
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ISBN 10: 1139636553
ISBN 13: 9781139636551
Author: H. Davenport
The Higher Arithmetic
An Introduction to the Theory of Numbers
The Higher Arithmetic An Introduction to the Theory of Numbers 8th Table of contents:
I. Factorization and the Primes
- The laws of arithmetic
- Proof by induction
- Prime numbers
- The fundamental theorem of arithmetic
- Consequences of the fundamental theorem
- Euclid’s algorithm
- Another proof of the fundamental theorem
- A property of the H.C.F
- Factorizing a number
- The series of primes
II. Congruences
- The congruence notation
- Linear congruences
- Fermat’s theorem
- Euler’s function 0(m)
- Wilson’s theorem
- Algebraic congruences
- Congruences to a prime modulus
- Congruences in several unknowns
- Congruences covering all numbers
III. Quadratic Residues
- Primitive roots
- Indices
- Quadratic residues
- Gauss’s lemma
- The law of reciprocity
- The distribution of the quadratic residues
IV. Continued Fractions
- Introduction
- The general continued fraction
- Euler’s rule
- The convergents to a continued fraction Let
- The equation ax — by = 1
- Infinite continued fractions
- Diophantine approximation
- Quadratic irrationals
- Purely periodic continued fractions
- Lagrange’s theorem
- Pell’s equation This is the equation
- A geometrical interpretation of continued fractions
V. Sums of Squares
- Numbers representable by two squares
- Primes of the form 4k + 1
- Constructions for x and y
- Representation by four squares
- Representation by three squares
VI. Quadratic Forms
- Introduction
- Equivalent forms
- The discriminant
- The representation of a number by a form
- Three examples
- The reduction of positive definite forms
- The reduced forms
- The number of representations
- The class-number
VII. Some Diophantine Equations
- Introduction
- The equation x² + y² = z²
- The equation ax² + by² = z²
- Elliptic equations and curves
- Elliptic equations modulo primes
- Fermat’s Last Theorem
- The equation x³ + y³ = z³ + w³
- Further developments
VIII. Computers and Number Theory
- Introduction
- Testing for primality
- ‘Random’ number generators
- Pollard’s factoring methods
- Factoring and primality via elliptic curves
- Factoring large numbers
- The Diffie-Hellman cryptographic method
- The RSA cryptographic method
- Primality testing revisited
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