Projector additive left group codes are introduced as images of linear projectors in group algebras, capturing all additive codes in the semisimple case and direct summands in the non-semisimple case while linking to trace dualities and self-dual properties.
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Projector additive group codes
Projector additive left group codes are introduced as images of linear projectors in group algebras, capturing all additive codes in the semisimple case and direct summands in the non-semisimple case while linking to trace dualities and self-dual properties.