Paper 2003/134

Direct Sum of Non Normal and Normal Bent Functions Always Produces Non Normal Bent Functions

Sugata Gangopadhyay and Subhamoy Maitra

Abstract

Prof. Claude Carlet has pointed out an error in Theorem 1 of the paper. The error could not be recovered for the time being. Thus the statement presented in the title of the paper is not proved.

Note: Prof. Claude Carlet has pointed out an error in Theorem 1 of the paper. The error could not be recovered for the time being. Thus the statement presented in the title of the paper is not proved.