Novel construction method generates optimal binary error-correcting codes using 2-sum of book graphs. Establishes matroid-theory bridge to CSS quantum codes, enabling flexible code generation across any finite field.

Novel construction method generates optimal binary error-correcting codes using 2-sum of book graphs. Establishes matroid-theory bridge to CSS quantum codes, enabling flexible code generation across any finite field.
Establishes Fourier-based conditions for local unitary equivalence of orthogonal arrays and irredundant orthogonal arrays, connecting LU equivalence to coding theory duality for linear codes over prime fields.
Framework for quantum stabilizer codes over Gaussian integer rings, revealing distinct roles of logical and syndrome quotients in error correction with new cardinality formulas and syndrome-based recovery procedures.
Discovers infinite families of 3-designs from linear and nonlinear codes with applications to quantum error-correcting codes and distributed storage systems, achieving optimal locality and distance properties.