Classification of extremal double-circulant self-dual codes of lengths up to 62
Discrete Mathematics
On covering radii and coset weight distributions of extremal binary self-dual codes of length 40
Theoretical Computer Science
Extremal self-dual codes with the smallest covering radius
Discrete Mathematics
On Harmonic Weight Enumerators of Binary Codes
Designs, Codes and Cryptography
Shadow bounds for self-dual codes
IEEE Transactions on Information Theory
The mass of extremal doubly-even self-dual codes of length 40
IEEE Transactions on Information Theory
Jacobi polynomials for singly even self-dual codes and the covering radius problems
IEEE Transactions on Information Theory
A new upper bound on the minimal distance of self-dual codes
IEEE Transactions on Information Theory
On the coveting radius of extremal self-dual codes
IEEE Transactions on Information Theory
Covering radius---Survey and recent results
IEEE Transactions on Information Theory
On the Covering Radius of Ternary Extremal Self-Dual Codes
Designs, Codes and Cryptography
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We construct new extremal self-dual [40,20,8] codes with covering radius 7. It is also shown that the vectors of a fixed weight in a coset of weight 4n+2 in an extremal doubly even self-dual code of length 24n+16 such that the coset has no vector of weight 4n+4 form a 1-design.