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A sharpening of the Johnson bound for binary linear codes and the nonexistence of linear codes with Preparata parameters. (English) Zbl 0770.94005
Summary: We show for \(t>3\) the nonexistence of binary \([2^ t-2, 2^ t-2t-1, 5]\) codes.

MSC:
94B05 Linear codes (general theory)
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