Journal of Physics:Conference Series , cilt.766, ss.1-6, 2016 (ESCI İndekslerine Giren Dergi)
In this paper, we determine self dual and self orthogonal codes arising from negacyclic codes over the group ring (Fq + υFq) G. By taking a suitable Gray image of these codes we obtain many good parameter quantum error-correcting codes over Fq .