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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.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

 

The trace of totally positive algebraic integers
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by Julián Aguirre, Mikel Bilbao and Juan Carlos Peral PDF
Math. Comp. 75 (2006), 385-393 Request permission

Abstract:

For all totally positive algebraic numbers $\alpha$ except a finite number of explicit exceptions, the following inequality holds: \[ \frac {1}{d} (\alpha _1+\dots +\alpha _d)>\max (1.780022,1.66+\alpha _1), \] where $d$ is the degree of $\alpha$ and $0<\alpha _1<\dots <\alpha _d$ its conjugates. This improves previous results of Smyth, Flammang and Rhin.
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Additional Information
  • Julián Aguirre
  • Affiliation: Departamento de Matemáticas, Universidad del País Vasco, Aptdo. 644, 48080 Bilbao, Spain
  • Email: mtpagesj@lg.ehu.es
  • Mikel Bilbao
  • Affiliation: Departamento de Economía Aplicada I, Universidad del País Vasco, Avda. Lehendakari Aguirre 83, 48015 Bilbao, Spain
  • Email: elpbillm@bs.ehu.es
  • Juan Carlos Peral
  • Affiliation: Departamento de Matemáticas, Universidad del País Vasco, Aptdo. 644, 48080 Bilbao, Spain
  • MR Author ID: 137825
  • Email: mtppealj@lg.ehu.es
  • Received by editor(s): July 2, 2004
  • Received by editor(s) in revised form: October 27, 2004
  • Published electronically: September 12, 2005
  • © Copyright 2005 American Mathematical Society
  • Journal: Math. Comp. 75 (2006), 385-393
  • MSC (2000): Primary 11R06, 11-04
  • DOI: https://doi.org/10.1090/S0025-5718-05-01776-X
  • MathSciNet review: 2176405