On group codes with complementary duals |
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| Authors: | Javier de la Cruz Wolfgang Willems |
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| Institution: | 1.Universidad del Norte,Barranquilla,Colombia;2.Otto-von-Guericke Universit?t,Magdeburg,Germany |
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| Abstract: | We investigate and characterize ideals in a group algebra KG which have complementary duals, i.e., ideals C in KG which satisfy \(KG = C \oplus C^\perp .\) In the special case that G is a cyclic group we get an early result of Yang and Massey as an easy consequence. |
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