Finite Fields
Finite Fields
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DOI:
10.1007/3-540-31703-1_3
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发表时间:
2018-10
期刊:
影响因子:
--
通讯作者:
J. Gallian
中科院分区:
文献类型:
--
作者:
J. Gallian
A linear (n, k)-code is a subset of the n-dimensional vector space Fn over a finite field F. This vector space consists of all words of length n over the alphabet F. In the examples we have seen so far, we have always considered the most simple situations, the smallest field F= F2={0, 1}, the binary field of two elements, or the ternary field F= F3={0, 1, 2}, or the quaternary field F= F4. As we also intend to consider more complicated cases in full detail, we need a summary of the most important facts on finite fields in general, their properties and how they can be constructed. Afterwards, the reader should be able to construct, at least in principle, each finite field and implement it on a computer.