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Complements about Witt Rings and Other Topics

Abstract

This chapter contains some complements to previous chapters, which the authors have preferred to postpone until the last chapter. The quadratic Witt ring defined in 2.7 opens this chapter. In 8.1 we get precise results about this Witt ring when K is a local ring in which 2 is invertible. But in 8.2 where 2 is not invertible in the local ring K, we do not reach so effective and general results.

Keywords

Local Ring Orthogonal Basis Quadratic Extension Group Morphism Quadratic Space 
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

© Birkhäuser Verlag AG 2008

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