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| 形式幂级数环上的自对偶码（英文） | |
| 作者姓名： | 刘修生 刘花璐 |
| 摘 要： | The codes of formal power series rings R_∞=F[[r]]={sum from i=0 to ∞(a_lr~l|a_l∈F)}and finite chain rings R_i={a_0+a_1r+…+a_(i-1)r~(i-1)|a_i∈F}have close relationship in lifts and projection.In this paper,we study self-dual codes over R_∞by means of self-dual codes over Ri,and give some characterizations of self-dual codes over R_∞. |
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