Free Powerpoint Presentations

Polynomial Factorization
Page
1

DOWNLOAD

PREVIEW

WATCH ALL SLIDES

Slide 1

Polynomial Factorization

Polynomial Factorization

Olga Sergeeva

Ferien-Akademie 2004, September 19 October 1

Slide 2

Overview

Overview

Univariate Factorization

Overview of the algoriths and the required simplifications

Factoring over finite fields

Factorization based on Hensel lifting

LLL algorith

Multivariate Factorization

Problems overview

The idea of the algorith

Analysis of correctness probability.

Slide 3

Univariate Factorization  algoriths

Univariate Factorization algoriths

We consider factorization of polynomials over the rational integers, Z, and different approaches to this problem.

Slide 4

Univariate Factorization  algoriths

Univariate Factorization algoriths

We consider factorization of polynomials over the rational integers, Z, and different approaches to this problem.

Algoriths, solving the problem for univariate polynomials:

Kronecker, interpolation algorith

Slide 5

Univariate Factorization  algoriths

Univariate Factorization algoriths

We consider factorization of polynomials over the rational integers, Z, and different approaches to this problem.

Algoriths, solving the problem for univariate polynomials:

Kronecker, interpolation algorith

Algorith, which uses Hensel lifting techniques and factorization over finite fields

Slide 6

Univariate Factorization  algoriths

Univariate Factorization algoriths

We consider factorization of polynomials over the rational integers, Z, and different approaches to this problem.

Algoriths, solving the problem for univariate polynomials:

Kronecker, interpolation algorith

Algorith, which uses Hensel lifting techniques and factorization over finite fields

A. K. Lenstra, H. W. Lenstra and Lovasz polynomial time algorith using basic reduction techniques for lattices.

Slide 7

Univariate Factorization  simplifications

Univariate Factorization simplifications

When factoring a univariate polynomial over Z, the following simplifications are effective:

removing the integer content of F(Z)

Slide 8

Univariate Factorization  simplifications

Univariate Factorization simplifications

When factoring a univariate polynomial over Z, the following simplifications are effective:

removing the integer content of F(Z)

computing square free decomposition (with use of GCD computations or modular interpolation techniques).

Slide 9

Go to page:
 1  2  3  4  5  6  7 

Contents

Last added presentations

2010-2018 powerpoint presentations