Higher Weights for Ternary and Quaternary Self-Dual Codes*

  • Authors:
  • Steven T. Dougherty;T. Aaron. Gulliver;Manabu Oura

  • Affiliations:
  • Department of Mathematics, University of Scranton, Scranton, USA 18510;Department of Electrical and Computer Engineering, University of Victoria, Victoria, Canada V8W 3P6;Division of Mathematics, Sapporo Medical University, Sapporo, Japan 060-8556

  • Venue:
  • Designs, Codes and Cryptography
  • Year:
  • 2006

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Abstract

We study higher weights applied to ternary and quaternary self-dual codes. We give lower bounds on the second higher weight and compute the second higher weights for optimal codes of length less than 24. We relate the joint weight enumerator with the higher weight enumerator and use this relationship to produce Gleason theorems. Graded rings of the higher weight enumerators are also determined.