English Oleg Izhboldin Cited by user Alex Bakharev on 29 Jul 2019 Oleg Tomovich Izhboldin (1963 - 2000) was a Russian mathematician who was first to provide a non-trivial example of a non-trivial odd u-invariant field solving a…
German Quadratklasse Cited by user KleinKlio on 28 Oct 2010 In der Algebra sind Quadratklassen die Äquivalenzklassen einer bestimmten Äquivalenzrelation, der quadratischen Äquivalenz in einer kommutativen Gruppe.