Minimum Cost Hyperassignments with Applications to ICE/IC Rotation Planning. - Olga Heismann; Ralf Borndörfer (OR, 2011)

A Generalization of Odd Set Inequalities for the Set Packing Problem. - Olga Heismann; Ralf Borndörfer (OR, 2013)

The hypergraph assignment problem. - Ralf Borndörfer; Olga Heismann (Discret. Optim., 2015)

The Random Hypergraph Assignment Problem. - Ralf Borndörfer; Olga Heismann (Informatica (Slovenia), 2015)