1. Constructing and expressing Hermitian self-dual cyclic codes of length \(p^s\) over \({\mathbb {F}}_{p^m}+u{\mathbb {F}}_{p^m}\)

   • Yuan Cao
   • Yonglin Cao
   • Fanghui Ma

   Original Paper 19 April 2022 Pages: 291 - 314

2. δ-dual codes over finite commutative semi-simple rings

   • Hai Q. Dinh
   • Ha T. Le
   • Paravee Maneejuk

   Original Paper 20 April 2022 Pages: 315 - 335

3. Several classes of permutation polynomials with trace functions over \(\mathbb {F}_{p^n}\)

   • Yan-Ping Wang
   • Zhengbang Zha
   • Dabin Zheng

   Original Paper 22 April 2022 Pages: 337 - 349

   

4. RLWE and PLWE over cyclotomic fields are not equivalent

   • Antonio J. Di Scala
   • Carlo Sanna
   • Edoardo Signorini

   Original Paper Open access 30 April 2022 Pages: 351 - 358

   

5. A class of three-weight linear codes over finite fields of odd characteristic

   • Bingbing Duan
   • Guangguo Han
   • Yanfeng Qi

   Original Paper 04 May 2022 Pages: 359 - 375

6. Nonexistence of perfect permutation codes under the \(\ell _{\infty }\)-metric

   • Xiang Wang
   • Wenjuan Yin
   • Fang-Wei Fu

   Original Paper 06 May 2022 Pages: 377 - 391

7. Construction of quasi self-dual codes over a commutative non-unital ring of order 4

   • Jon-Lark Kim
   • Young Gun Roe

   Original Paper 19 May 2022 Pages: 393 - 406

8. New constructions of optimal frequency hopping sequences

   • Lei Wan
   • Jingjun Bao

   Original Paper 21 May 2022 Pages: 407 - 432