For an introduction to the definitions and the most recent progress on my research topic see the last paper in the list. The results from both unpublished papers are scheduled to be presented at the JMM in January, 2023, during the PME Contributed Paper Session.
Signed Spanning Pairs for Noncyclic Groups, Research Papers in Mathematics, Vol. 23, ed. Béla Bajnok, Gettysburg College. Published May 13, 2021.
A Proof of Park's Conjecture, Draft under review for publishing.
Complete Solutions for Odd s, Nearly Complete for Even s, Draft under review for publishing.