Halvard Martinsen

New families of binary sequences with optimal three-level autocorrelation

Cunsheng Ding, Tor Helleseth, Halvard Martinsen, 2001, IEEE Trans. Inf. Theory.

Almost difference sets and their sequences with optimal autocorrelation

Cunsheng Ding, Tor Helleseth, P. Vijay Kumar, 2001, IEEE Trans. Inf. Theory.

A New Family of Ternary Sequences with Ideal Two-level Autocorrelation Function

Tor Helleseth, P. Vijay Kumar, Halvard Martinsen, 2001, Des. Codes Cryptogr..

Ternary m-sequences with three-valued cross-correlation function: New decimations of Welch and Niho type

Tor Helleseth, P. Vijay Kumar, Hans Dobbertin, 2001, IEEE Trans. Inf. Theory.

There is no ternary [28, 6, 16] code

Tor Helleseth, Noboru Hamada, Øyvind Ytrehus, 2000, IEEE Trans. Inf. Theory.