info prev up next book cdrom email home

Galois Theory

If there exists a One-to-One correspondence between two Subgroups and Subfields such that

$\displaystyle G(E(G'))$ $\textstyle =$ $\displaystyle G'$  
$\displaystyle E(G(E'))$ $\textstyle =$ $\displaystyle E',$  

then $E$ is said to have a Galois theory.




© 1996-9 Eric W. Weisstein
1999-05-25