%0 Journal Article
%T Algebras with involution that become hyperbolic over the fonction field of a conic
%A Anne Qu¨¦guiner-Mathieu
%A Jean-Pierre Tignol
%J Mathematics
%D 2008
%I arXiv
%X We study central simple algebras with involution of the first kind that become hyperbolic over the function field of the conic associated to a given quaternion algebra $Q$. We classify these algebras in degree~4 and give an example of such a division algebra with orthogonal involution of degree~8 that does not contain $Q$ with its canonical involution, even though it contains $Q$ and is totally decomposable into a tensor product of quaternion algebras with involution.
%U http://arxiv.org/abs/0805.4138v1