Binary codes with improved minimum weights (Corresp.)

A recent table of Helgert and Stinaff gives bounds ford_{max}(n,k), the maximum minimum distance over all binary linear(n,k)error-correcting codes,1 leq k leq n leq 127. Twelve new codes are constructed which improve lower bounds in the table. Two methods are employed: the algebraic puncturing technique of Solomon and Stiffler and generation by combinatorial incidence matrices.