Automorphisms of Witt rings of global fields
Tom 163 / 2014
Acta Arithmetica 163 (2014), 1-13
MSC: Primary 11E81; Secondary 19F15.
DOI: 10.4064/aa163-1-1
Streszczenie
We construct an uncountable set of strong automorphisms of the Witt ring of a global field.