A Cauchy-Davenport type result for arbitrary regular graphs.
A complete annotated bibliography of work related to Sidon sequences.
A generalization of group difference sets and the matrix equation Am = dI + ...J.
A Note on Supplementary Difference Sets.
A product theorem for Skolem sequences.
A recursive construction of 1-rotational Steiner 2-designs.
Abschätzung der Dichte von Summenmengen.