论文信息 - On group codes with complementary duals

On group codes with complementary duals

We investigate and characterize ideals in a group algebra KG which have complementary duals, i.e., ideals C in KG which satisfy $$KG = C \oplus C^\perp .$$KG=C⊕C⊥. In the special case that G is a cyclic group we get an early result of Yang and Massey as an easy consequence.

Javier de la Cruz | Wolfgang Willems

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