The quest for a characterization of hom-properties of finite character. - Izak Broere; Johannes Heidema; Moroli D. V. Matsoha (Discuss. Math. Graph Theory, 2016)

Applications of Hajós-Type Constructions to the Hedetniemi Conjecture. - Izak Broere; Moroli D. V. Matsoha (J. Graph Theory, 2017)