Abstract
The authors present a 1-error correcting perfect code of length 15 and show that it is not switching equivalent to the Hamming code thereby settling a question of Avgustinovich and Solov'evaas96
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Phelps, K.T. Switching Equivalence Classes of Perfect Codes. Designs, Codes and Cryptography 16, 179–184 (1999). https://doi.org/10.1023/A:1017150214026
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DOI: https://doi.org/10.1023/A:1017150214026