Decoding Affine Variety Codes Using Gröbner Bases

  • Authors:
  • J. Fitzgerald;R. F. Lax

  • Affiliations:
  • Department of Mathematics, James Madison University, Harrisonburg, VA 22807. E-mail fitzgewj@jmu.edu;Department of Mathematics, LSU, Baton Rouge, LA 70803. E-mail lax@math.lsu.edu

  • Venue:
  • Designs, Codes and Cryptography
  • Year:
  • 1998

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Abstract

We define a class of codes that we call affine varietycodes. These codes are obtained by evaluating functions in thecoordinate ring of an affine variety on all the F_q-rationalpoints of the variety. We show that one can, at least in theory,decode these codes up to half the true minimum distance by usingthe theory of Gröbner bases. We extend results of A. B.Cooper and of X. Chen, I. S. Reed, T. Helleseth, and T. K. Truong.