Online Database of Quasi-Twisted Codes

Fill in n, k   or  p, m  to find the code constructions (generator polynomials and weight distribution) as well as references.

Block length  n  Matrix  size m  p-QT code p
Dimension k Finite field q Contributor(author)
  

  • Encyclopedia of Sparse Graph Codes-- David J.C. MacKay
  • Table of Nonlinear Binary Codes(n<512)-- Simon Litsyn, E. M. Rains, N. J. A. Sloane
  • Markus Grassl's Table of linear codes and quantum codes
  • Online database of two-weight codes

    For new results to be included in the database, mail additions to eric.chen at hkr.seemail address

    URL:  http://databases.cs.hkr.se/qtcodes/index.htm