Derives closed-form MacWilliams matrix for permutation-invariant qudit codes as Racah polynomials with parameters set by block length and dimension.
Quantum analog of the macwilliams identities for classical coding theory,
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Orthogonal Polynomials and the MacWilliams Transform for Permutation-Invariant Qudit Codes
Derives closed-form MacWilliams matrix for permutation-invariant qudit codes as Racah polynomials with parameters set by block length and dimension.