Hermitian Self-Dual Cyclic Codes of Length $p^a$ over $GR(p^2,s)$

Somphong Jitman, San Ling, Ekkasit Sangwisut

In this paper, we study cyclic codes over the Galois ring $\mathrm{GR}(p^2,s)$. The main result is the characterization and enumeration of Hermitian self-dual cyclic codes of length…