Shadows play an important role in the study of self-dual codes. In this note, we give constructions of formally self-dual codes using self-dual codes and their shadows. As an example, a class of binary formally self-dual codes related to extremal Type II code is introduced.
|Number of pages
|Applicable Algebra in Engineering, Communications and Computing
|Published - 2003 Aug
- Formally self-dual codes
- Type II codes and codes over ℤ