Type II Codes over F4
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Philippe Gaborit; Vera Pless; Patrick Solรฉ; Oliver Atkin
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Article
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2002
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Elsevier Science
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English
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The natural analogues of Lee weight and the Gray map over % are introduced. Self-dual codes for the Euclidean scalar product with Lee weights multiple of 4 are called Type II. They produce Type II binary codes by the Gray map. All extended Q-codes of length a multiple of 4 are Type II. This includes