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MULTI-POINT CODES FROM THE GGS CURVES

机译:来自GGS曲线的多点代码

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This paper is concerned with the construction of algebraic-geometric (AG) codes defined from GGS curves. It is of significant use to describe bases for the Riemann-Roch spaces associated with some rational places, which enables us to study multi-point AG codes. Along this line, we characterize explicitly the Weierstrass semigroups and pure gaps by an exhaustive computation for the basis of Riemann-Roch spaces from GGS curves. In addition, we determine the floor of a certain type of divisor and investigate the properties of AG codes. Multi-point codes with excellent parameters are found, among which, a presented code with parameters [216, 190, >= 18] over F-64 yields a new record.
机译:本文涉及从GGS曲线定义的代数 - 几何(AG)代码的构造。 描述与一些合理的地方相关的Riemann-Roch空间的基础是重要的,这使我们能够研究多点AG代码。 沿着这一行,我们通过围绕来自GGS曲线的Riemann-Roch空格来说明确的Weierstrass半群和纯粹间隙。 此外,我们确定某种类型的除数的地板,并调查AG代码的性质。 找到具有优异参数的多点代码,其中,通过F-64的参数[216,190,> = 18]的呈现代码产生了新的记录。

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