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First Principles

  • Gene Freudenburg
Chapter
  • 713 Downloads
Part of the Encyclopaedia of Mathematical Sciences book series (EMS, volume 136)

Abstract

Let B denote a commutative k-domain, where k is any field of characteristic zero. Then B*. denotes the group of units of B and frac(B) denotes the field of fractions of B. Further, Aut(B) denotes the group of ring automorphisms of B, and Autk(B) denotes the group of automorphisms of B as a k-algebra. If SB is any subset, then S C denotes the complement BS.

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Copyright information

© Springer 2006

Authors and Affiliations

  • Gene Freudenburg
    • 1
  1. 1.Department of MathematicsWestern Michigan UniversityKalamazooUSA

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