A note on the Singleton bounds for codes over finite rings. - Yongsheng Tang; Heqian Xu; Zhonghua Sun 001 (CoRR, 2016)

On some binary symplectic self-orthogonal codes. - Heqian Xu; Wei Du (Appl. Algebra Eng. Commun. Comput., 2022)

Niederreiter-Rosenbloom-Tsfasman LCD codes. - Heqian Xu; Guangkui Xu; Wei Du (Adv. Math. Commun., 2022)

Hermitian LCD codes over $ mathbb {F}_{q^{2}}+u mathbb {F}_{q^{2}}$ and their applications to maximal entanglement EAQECCs. - Heqian Xu; Wei Du (Cryptogr. Commun., 2022)

Asymptotically good $ mathbb{Z}_{p} mathbb{Z}_{p}[u]/ langle u^{t} rangle $-additive cyclic codes. - Ting Yao; Heqian Xu; Yongsheng Tang; Shixin Zhu (Adv. Math. Commun., 2023)

New quantum codes from constacyclic codes over finite chain rings. - Yongsheng Tang; Ting Yao; Heqian Xu; Xiaoshan Kai (CoRR, 2024)

Hulls of linear codes from simplex codes. - Guangkui Xu; Gaojun Luo; Xiwang Cao; Heqian Xu (Des. Codes Cryptogr., 2024)