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Lee distance of cyclic and (1+uγ)-constacyclic codes of length 2s over F2m + uF2m
被引:3
|作者:
Hai Q Dinh
[1
,2
]
Kewat, Pramod Kumar
[3
]
Mondal, Nilay Kumar
[3
]
机构:
[1] Ton Duc Thang Univ, Inst Computat Sci, Div Computat Math & Engn, Ho Chi Minh City, Vietnam
[2] Ton Duc Thang Univ, Fac Math & Stat, Ho Chi Minh City, Vietnam
[3] Indian Sch Mines, Indian Inst Technol, Dept Math & Comp, Dhanbad 826004, Bihar, India
关键词:
Lee distance;
Cyclic codes;
Constacyclic codes;
Repeated-root codes;
Finite chain ring;
SELF-DUAL CODES;
NEGACYCLIC CODES;
II CODES;
CONSTACYCLIC CODES;
PREPARATA;
WEIGHTS;
KERDOCK;
RINGS;
Z(4);
D O I:
10.1016/j.disc.2021.112551
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
Let m be a positive integer, and gamma be a non-zero element of F-2m. The Lee distance of all cyclic codes and (1 + u gamma)-constacyclic codes of length 2(s) over F-2m + uF(2m) is completely determined. In particular, it is shown that the Lee distance of such codes is independent of the choice of a trace orthogonal basis of F-2m. (C) 2021 Elsevier B.V. All rights reserved.
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页数:13
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