New simple algorithms for computing the minimal polynomial of cos(2π/n)

Abstract

The editor in chief was alerted to the fact that part of the paper was from M. F. Bouazizi's former PhD supervisor Annick Valibouze, as testified by the registration of the original paper on October 3, 2006 on the university platform: http://www.lsta.upmc.fr/prepublications R2006_5.pdf. This article was therefore, retracted from its publication in DMAA.