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Started by dean alvis
Wed, 14 Oct 1992 19:12
number theory question
Author: dean alvis
Date: Wed, 14 Oct 1992 19:12
Date: Wed, 14 Oct 1992 19:12
14 lines
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1368 bytes
Let $p$ be an odd prime, and assume $\beta$ is an algebraic integer of the form $$\beta = \sum_\omega \mu_\omega (1-\omega),$$ where the coefficients $\mu_\omega$ are nonnegative rational integers and $\omega$ ranges over the primitive complex $p$-th roots of unity. Assume further that $\beta$ is irrational, so the coefficients don't assume a constant value, that the coefficients of $\beta$ are relatively prime, and that the product of the algebraic conjugates of $\beta$ is a power of $p$ (so the norm of $\beta$, in the field-theoretic sense, is a power of $p$). Does it necessarily follow that $\beta$ has the form $1-\omega$ or $2 Re(1-\omega)$? Any information on this problem would be helpful. Please respond via e-mail to alvisd@natasha.iusb.indiana.edu
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