Given a Galois extension we relate subfield subcodes with trace codes showing that a code is invariant under the Galois group if and only if its restriction coincides with the trace code. © 2010 Elsevier Inc. All rights reserved.
Giorgetti, M., Previtali, A. (2010). Galois invariance, trace codes and subfield subcodes. FINITE FIELDS AND THEIR APPLICATIONS, 16(2), 96-99 [10.1016/j.ffa.2010.01.002].
Galois invariance, trace codes and subfield subcodes
PREVITALI, ANDREA
2010
Abstract
Given a Galois extension we relate subfield subcodes with trace codes showing that a code is invariant under the Galois group if and only if its restriction coincides with the trace code. © 2010 Elsevier Inc. All rights reserved.
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