Research Interests

Papers and Preprints

A Hadamard matrix of order 428

Some 6-(14,7,4) Designs

Lecture Notes on Large Sets of  t-Designs (ps, pdf)

Trades of  volumes 47, 51 and 53 and foundation size 10

Lecture Notes on The Star Complement Technique (ps, pdf)

Hadamard matrices of order 32

Skew-Hadamard matrices of order 32

Maximum order of triangle-free graphs with a given rank