Jaume Pernas

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—In the traditional two-rack distributed storage system (DSS) model, due to the assumption that the storage capacity of each node is the same, the minimum bandwidth regenerating (MBR) point becomes infeasible. In this paper, we design a new non-homogeneous two-rack model by proposing a generalization of the threshold function used to compute the tradeoff(More)
In this article we investigate Berlekamp's negacyclic codes and discover that these codes, when considered over the integers modulo 4, do not suffer any of the restrictions on the minimum distance observed in Berlekamp's original papers [2, 3]: our codes have minimim Lee distance at least 2t+1, where the generator polynomial of the code has roots α, α 3 ,.(More)
• Optimality of a 2-identifying code in the hexagonal grid Ville Junnila, Tero Laihonen • The Dual Code of Points and t-Spaces in the Projective Space Maarten De Boeck • Optimal arcs in three-dimensional Hjelmslev spaces
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