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Abel's Lemma

The pure equation

\begin{displaymath}
x^p=C
\end{displaymath}

of Prime degree $p$ is irreducible over a Field when $C$ is a number of the Field but not the $p$th Power of an element of the Field.

See also Abel's Irreducibility Theorem, Gauss's Polynomial Theorem, Kronecker's Polynomial Theorem, Schoenemann's Theorem


References

Dörrie, H. 100 Great Problems of Elementary Mathematics: Their History and Solutions. New York: Dover, p. 118, 1965.




© 1996-9 Eric W. Weisstein
1999-05-25