Subfield codes of $C_D$-codes over ${\mathbb{F}}_2[x]/⟨x^3-x⟩$ are really nice!

Anuj Kumar Bhagat, Ritumoni Sarma, Vidya Sagar

A non-zero $\mathbb{F}$-linear map from a finite-dimensional commutative $\mathbb{F}$-algebra to $\mathbb{F}$ is called an $\mathbb{F}$-valued trace if its kernel does not contain…