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Association Schemes for Ordered Orthogonal Arrays and $(T,M,S)$-Nets

机译:有序正交阵列和$(T,M,S)$-Nets的关联方案

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In an earlier paper~cite{stinmar}, we studied a generalized Rao bound for ordered orthogonal arrays and $(T,M,S)$-nets. In this paper, we extend this to a coding-theoretic approach to ordered orthogonalarrays. Using a certain association scheme, we prove a MacWilliams-type theorem for linear ordered orthogonal arrays and linear ordered codes as well as a linear programming bound for the general case. We include some tables which compare thisbound against two previously known bounds for ordered orthogonal arrays.Finally we show that, for even strength, the LP bound is always atleast as strong as the generalized Rao bound.
机译:在更早的论文中,我们研究了有序正交数组和$(T,M,S)$-nets的广义Rao界。在本文中,我们将其扩展到有序正交阵列的编码理论方法。使用某种关联方案,我们证明了线性顺序正交数组和线性顺序代码的MacWilliams型定理,以及一般情况下的线性规划界。我们提供了一些表格,将这个边界与两个先前已知的有序正交数组的边界进行比较。最后,我们证明了对于均匀强度而言,LP边界总是与广义Rao边界一样强。

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