Computational Algebraic Number Theory (Paperback, 1993 ed.)

Computational algebraic number theory has been attracting broad interest in the last few years due to its potential applications in coding theory and cryptography. For this reason, the Deutsche Mathematiker Vereinigung initiated an introductory graduate seminar on this topic in Dusseldorf. The lectures given there by the author served as the basis for this book which allows fast access to the state of the art in this area. Special emphasis has been placed on practical algorithms - all developed in the last five years - for the computation of integral bases, the unit group and the class group of arbitrary algebraic number fields. Contents: Introduction * Topics from finite fields * Arithmetic and polynomials * Factorization of polynomials * Topics from the geometry of numbers * Hermite normal form * Lattices * Reduction * Enumeration of lattice points * Algebraic number fields * Introduction * Basic Arithmetic * Computation of an integral basis * Integral closure * Round-Two-Method * Round-Four-Method * Computation of the unit group * Dirichlet's unit theorem and a regulator bound * Two methods for computing r independent units * Fundamental unit computation * Computation of the class group * Ideals and class number * A method for computing the class group * Appendix * The number field sieve * KANT * References * Index

General

Imprint:	Birkhauser Verlag AG
Country of origin:	Switzerland
Series:	Oberwolfach Seminars, 21
Release date:	September 1993
First published:	September 1993
Authors:	M E Pohst
Dimensions:	244 x 170 x 5mm (L x W x T)
Format:	Paperback
Pages:	90
Edition:	1993 ed.
ISBN-13:	978-3-7643-2913-6
Categories:	Books > Computing & IT > General theory of computing > Mathematical theory of computation Books > Science & Mathematics > Mathematics > Algebra > General Books > Science & Mathematics > Mathematics > Number theory > General Promotions
LSN:	3-7643-2913-0
Barcode:	9783764329136

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