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On the Essential Dimension of Some Semi-Direct Products

  Published:2002-09-01
 Printed: Sep 2002
  • Arne Ledet
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Abstract

We give an upper bound on the essential dimension of the group $\mathbb{Z}/q\rtimes(\mathbb{Z}/q)^*$ over the rational numbers, when $q$ is a prime power.
MSC Classifications: 12F10 show english descriptions Separable extensions, Galois theory 12F10 - Separable extensions, Galois theory
 

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