Conditions on the regularity of balanced $c$-partite tournaments for the existence of strong subtournaments with high minimum degree

Ana Paulina Figueroa, Juan José Montellano-Ballesteros, Mika Olsen

We consider the following problem posed by Volkmann in 2007: How close to regular must a c-partite tournament be, to secure a strongly connected subtournament of order $c$? We give…