2 papers
cs.DM2026
A symmetric conference matrix of order 86
Harshit Verma
We construct a symmetric conference matrix of order , the smallest order for which existence was open. Equivalently, there exist a conference graph with parameters $(85,42,20,2…
cs.DM2026
A New Upper Bound for 7-Universal Tournaments
Harshit Verma
We give an explicit tournament on 14 vertices containing every 7-vertex tournament as an induced sub-tournament, and verify this property by exhaustive computation. This improves t…