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The Makar-Limanov and Derksen Invariants

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

Abstract

Locally nilpotent derivations are useful though rather elusive objects. Though on “majority” of rings we do not have them at all, when we have them it is rather hard to find them and even harder to find all of them or to give some qualitative statements. Even for polynomial rings we do not know too much.

Keywords

Automorphism Group Polynomial Ring Characteristic Zero Algebraic Closure Algebraic Surface 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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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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