Renaud Lifchitz's HomePage

Renaud Lifchitz's homepage

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Last update : June 18th, 2004

Hello ! I'm Renaud Lifchitz, born in 1982, student at ESIAL (Nancy) and old student of Louis-le-Grand. My hobbies are weather forecasting, astronomy, and above all, number theory. I present on my web site only original articles.

NUMBER THEORY : (You must see ^supscript and _subscript in this line to view this site correctly)

My pages/articles:

A generalization of the Korselt's criterion - Nested Carmichael numbers (PDF file, last update : 1 Apr 2002)
The "MultiFact" - a polynomial time factorization program (last update : 3 Apr 2001)
An efficient probable prime test for numbers of the form (2^p+1)/3 (PDF file, last update : 18 May 2002)
Introduction to a new tool : the antiorder (PDF file, last update : 22 Dec 2000)
The Probable Primes Top 10000 page
My WAP pages about prime numbers (in french) (last update : 10 Oct 2000)
The "magicmodulos" (last update : 1 Mar 2000)
How could a negative Fermat test help us to find prime numbers ? (last update : 1 Mar 2000)
Speed up your prime research : the weight of n in the Proth numbers (last update : 12 May 1999)
The infernal prime spiral (last update : 23 Jan 2004)
Graphing the parity of the division (last update : 18 Dec 1998)

... and more soon !
Other pages :
Christian Boyer's fabulous website about multimagic squares, cubes, hypercubes (Le fantastique site de Christian Boyer sur les carrés, cubes, et hypercubes multimagiques)
See Chris Caldwell's web pages
See G. L. Honaker Jr.'s "Prime Curios !" web page

CRYPTOGRAPHIE :

Voir mon mémoire de méthodologie de DEUG MIAS

WEATHER FORECASTING :

ASTRONOMY :

OTHER LINKS :

Voir le site web de l'INRIA
My father's homepage (about number theory)