| THE TRUE DIMENSION OF CERTAIN ALTERNANT CODES |
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| 基金项目： | Supported by the National Natural Science Foundation of China(No.69872016) |
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| 摘 要： | By applying a result from geometric Goppa codes, due to H.Schtenoth, the true dimension of certain alternant codes is calculated. The results lead in many cases to an improvement of the usual lower bound for the dimension.
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The true dimension of certain alternant codes |
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| Authors: | Dianwu Yue Guangzeng Feng |
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| Affiliation: | (1) Dept. of Telecom. Eng., Nanjing University of Posts & Telecommunications, 210003 Nanjing |
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| Abstract: | By applying a result from geometric Goppa codes, due to H.Schtenoth, the true dimension of certain alternant codes is calculated. The results lead in many cases to an improvement of the usual lower bound for the dimension. |
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| Keywords: | Alternant code Dimension Algebraic funtion field Geometric Goppa code |
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