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 S ⊂ B is any subset, then SC denotes the complement B – S.
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© 2006 Springer
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Freudenburg, G. (2006). First Principles. In: Algebraic Theory of Locally Nilpotent Derivations. Encyclopaedia of Mathematical Sciences, vol 136. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-29523-5_2
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DOI: https://doi.org/10.1007/978-3-540-29523-5_2
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-29521-1
Online ISBN: 978-3-540-29523-5
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