Balanced Optimization with Vector Costs. - Annette M. C. Ficker; Frits C. R. Spieksma; Gerhard J. Woeginger (WAOA, 2016)

Partitioning Vectors into Quadruples: Worst-Case Analysis of a Matching-Based Algorithm. - Annette M. C. Ficker; Thomas Erlebach; Matús Mihalák; Frits C. R. Spieksma (ISAAC, 2018)

Robust balanced optimization. - Annette M. C. Ficker; Frits C. R. Spieksma; Gerhard J. Woeginger (EURO J. Comput. Optim., 2018)

Round-robin tournaments generated by the Circle Method have maximum carry-over. - Erik Lambrechts; Annette M. C. Ficker; Dries R. Goossens; Frits C. R. Spieksma (Math. Program., 2018)

The transportation problem with conflicts. - Annette M. C. Ficker; Frits C. R. Spieksma; Gerhard J. Woeginger (Ann. Oper. Res., 2021)