This is a preview. Log in through your library . Abstract The occurrence of the quaternion group as a Galois group over certain fields is investigated. A theorem of Witt on quaternionic Galois ...

Let $G$ be a finite, quaternion-free group with exponent $e$, let $F$ be a field of characteristic zero and let $\chi$ be an absolutely irreducible character of $G ...

Over the past 11 years, our national Maths Week has promoted awareness and appreciation of mathematics in the world around us, with hundreds of events held around the country to demonstrate the ...