Biembeddings of 2-rotational Steiner triple systems

Abstract

It is shown that for v1 or 3 (mod 6), every pair of Heffter difference sets modulo v gives rise to a biembedding of two 2-rotational Steiner triple systems of order 2v+1 in a nonorientable surface.

Publication
In Electronic Journal of Combinatorics
Justin Z. Schroeder
Justin Z. Schroeder
Mosaic Centre Radstock

Teacher, mathematician, and board game designer.