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arxiv: 0805.2205 · v2 · submitted 2008-05-15 · 🧮 math.CO

Mass formula for self-orthogonal codes over Z_(p²)

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keywords codesmassformulaestablishquaternaryself-orthogonalalternativecase
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In this note, we establish a mass formula for self-orthogonal codes over Z_{p^2}, where p is a prime. As a consequence, an alternative proof of the known mass formulas for self-dual codes over Z_{p^2} is obtained. We also establish a mass formula for even quaternary codes, which includes a mass formula for Type II quaternary codes as a special case.

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