This is a preview. Log in through your library . Abstract In 1955 Dye proved that two von Neumann factors not of type I2n are isomorphic if and only if their unitary groups are isomorphic as abstract ...

By combining the language of groups with that of geometry and linear algebra, Marius Sophus Lie created one of math’s most ...

Let G be a finite group with an Abelian Sylow p-subgroup $P (p > 5)$, and F, a finite field of characteristic p. Set H = Op' (G). If G has a faithful FG-module M such ...