出典:Wikipedia
出典:『Wikipedia』 (2011/02/07 23:30 UTC 版)
In coding theory, a constant-weight code, also called an m of n code, is an error detection and correction code where all codewords share the same Hamming weight. The theory is closely connected to that of designs (such as t-designs and Steiner systems). Most of the work on this very vital field of discrete mathematics is concerned with binary constant-weight codes.