TY - JOUR AU - Corrales Rodrigáñez, Carmen PY - 2012 DO - 10.1016/j.jnt.2011.12.009 SN - ISSN 1096-1658 UR - https://hdl.handle.net/20.500.14352/43683 T2 - Journal of Number Theory AB - Unit groups of orders in quaternion algebras over number fields provide important examples of non-commutative arithmetic groups. Let K = Q(d ) be a quadratic field with d < 0 a squarefree integer such that d ≡ 1(mod 8), and let R be its ring of... LA - eng M2 - 888 PB - Elsevier KW - Quaternion algebras KW - Quadratic fields KW - Special orthogonal group of the space of pure quaternions in a quaternion algebra over a quadratic field TI - Rotations and units in quaternion algebras TY - journal article VL - 132 ER -