New Algorithms for k-Center and Extensions. - René Brandenberg; Lucia Roth (COCOA, 2008)

New algorithms for k-center and extensions. - René Brandenberg; Lucia Roth (J. Comb. Optim., 2009)

Minimal containment under homothetics: a simple cutting plane approach. - René Brandenberg; Lucia Roth (Comput. Optim. Appl., 2011)