Solvability by Real Radicals and Fermat Primes

Canadian mathematical bulletin

关键词: congruence lattice;    congruence-preserving extension;   

DOI  :  10.4153/CMB-2004-022-9

学科分类：数学（综合）

来源: University of Toronto Press * Journals Division

【 摘 要 】

We give a survey of old and new results concerning the expressibilityof the real roots of a solvable polynomial over a real number field byreal radicals. A characterization of Fermat primes is obtained interms of solvability by real radicals for certain ploynomials.

【 授权许可】

Unknown