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QUASI-CYCLIC SELF-DUAL CODES WITH FOUR FACTORS

  • Hyun Jin Kim (University College, Yonsei University) ;
  • Whan-Hyuk Choi (Kangwon Research Institute of Mathematical Sciences, Kangwon National University, Department of Mathematics, Kangwon National University) ;
  • Jung-Kyung Lee (College of Liberal Arts, Anyang University)
  • Received : 2024.04.24
  • Accepted : 2024.09.08
  • Published : 2024.09.30

Abstract

In this study, we examine ℓ-quasi-cyclic self-dual codes of length ℓm over 𝔽2, provided that the polynomial Xm - 1 has exactly four distinct irreducible factors in 𝔽2[X]. We find the standard form of generator matrices of codes over the ring R ≅ 𝔽q[X]/(Xm - 1) and the conditions for the codes to be self-dual. We explicitly determine the forms of generator matrices of self-dual codes of lengths 2 and 4 over R.

Keywords

Acknowledgement

This work was supported by the National Research Foundation of Korea(NRF) grant founded by the Korean government(NRF-2020R1F1A1A01071645). This work was supported by 2023 Research Grant from Kangwon National University and the National Research Foundation of Korea (NRF) grant funded by the Korea government (NRF-2022R1C1C2011689). This work was supported by the National Research Foundation of Korea(NRF) grant funded by the Korean government(NRF-2019R1G1A1099148).

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