Improved lower bound on the number of balanced symmetric functions over GF(p)

  • Authors:
  • Pinhui Ke;Liuling Huang;Shengyuan Zhang

  • Affiliations:
  • Key Laboratory of Network Security and Cryptology, Fujian Normal University, Fujian 350007, PR China;Key Laboratory of Network Security and Cryptology, Fujian Normal University, Fujian 350007, PR China;Key Laboratory of Network Security and Cryptology, Fujian Normal University, Fujian 350007, PR China

  • Venue:
  • Information Sciences: an International Journal
  • Year:
  • 2009

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Abstract

The lower bound on the number of n-variable balanced symmetric functions over finite fields GF(p) presented by Cusick et al. in [T.W. Cusick, Y. Li, P. Sta@?nica@?, Balanced symmetric functions over GF(p), IEEE Trans. Inform. Theory 54 (3) (2008) 1304-1307] is improved in this paper. An equivalent characterization is also presented for the general case.