Extensions of the alternating group of degree 6 in the geometry of K3 surfaces. - JongHae Keum; Keiji Oguiso; De-Qi Zhang (Eur. J. Comb., 2007)

Criteria for the existence of equivariant fibrations on algebraic surfaces and hyperkähler manifolds and equality of automorphisms up to powers: a dynamical viewpoint. - Fei Hu; JongHae Keum; De-Qi Zhang (J. Lond. Math. Soc., 2015)