Maximum Distance Separable (MDS) Matrix of size m x m over Zq

Septa Windy Nitalessy, Mans Lumiu Mananohas, Rinancy Tumilaar, Angelina Patricia Amanda, Tesalonika Angela Tumey

Abstract


The Maximum Distance Separable (MDS) code is one of the codes that known as error-correcting code where the generator matrix [I|A] is arranged by the identity matrix and the MDS matrix. In coding, MDS matrix can detect and correct errors optimally. A matrix over the Zq is called an MDS matrix if and only if all the determinants of its square submatrix are non-zero. A matrix over the Zq is called an MDS matrix if and only if all the determinants of its square submatrix are non-zero. In m x m matrix over Zq, the analyzed of possible entries and determinants of submatrix can be declare the existence of an MDS matrix of size m x m over Zq. The result is there will be no MDS matrix of size m x m where m greater than or equal to [(q-1)^2 + 1] - [q-2] for Zq with any of q. For Zq  with q prime, there will be no MDS matrix of size m x m where m greater than or equal to [(q-1)^2 + 1] - [q-2] - [1/2 x (q-1)].

Keywords


Matrix; MDS; Entry; Submatrix

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DOI: https://doi.org/10.35799/jm.v11i2.41387

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