%0 Journal Article %A Khalid Abdelmoumen and Mustapha Najmeddine and Hussain Ben-Azza %D 2011 %J International Journal of Mathematical and Computational Sciences %B World Academy of Science, Engineering and Technology %I Open Science Index 56, 2011 %T Pontrjagin Duality and Codes over Finite Commutative Rings %U https://publications.waset.org/pdf/4423 %V 56 %X We present linear codes over finite commutative rings which are not necessarily Frobenius. We treat the notion of syndrome decoding by using Pontrjagin duality. We also give a version of Delsarte-s theorem over rings relating trace codes and subring subcodes. %P 1181 - 1185