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Mathematics of Computation

Published by the American Mathematical Society since 1960 (published as Mathematical Tables and other Aids to Computation 1943-1959), Mathematics of Computation is devoted to research articles of the highest quality in computational mathematics.

ISSN 1088-6842 (online) ISSN 0025-5718 (print)

The 2020 MCQ for Mathematics of Computation is 1.78.

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Sums of heights of algebraic numbers
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by Gregory P. Dresden PDF
Math. Comp. 72 (2003), 1487-1499 Request permission

Abstract:

For $A_t(x) = f(x) - t g(x)$, we consider the set $\{ \sum _{A_t(\alpha ) = 0} h(\alpha ) : t \in \overline {\mathbb {Q}} \}$. The polynomials $f(x), g(x)$ are in $\mathbb {Z}[x]$, with only mild restrictions, and $h(\alpha )$ is the Weil height of $\alpha$. We show that this set is dense in $[d, \infty )$ for some effectively computable limit point $d$.
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Additional Information
  • Gregory P. Dresden
  • Affiliation: Department of Mathematics, Washington & Lee University, Lexington, Virginia 24450-0303
  • Email: dresdeng@wlu.edu
  • Received by editor(s): May 24, 1999
  • Received by editor(s) in revised form: December 10, 2001
  • Published electronically: December 6, 2002
  • Additional Notes: I would like to thank Dr. C. J. Smyth and Dr. J. Vaaler, and I would also like to thank the referee for helpful comments and an improved proof of Theorem 6.1.
  • © Copyright 2002 American Mathematical Society
  • Journal: Math. Comp. 72 (2003), 1487-1499
  • MSC (2000): Primary 11R04, 11R06; Secondary 12D10
  • DOI: https://doi.org/10.1090/S0025-5718-02-01481-3
  • MathSciNet review: 1972748