Numerical solution of penalty formulations for constrained mechanical systems using heterogeneous multiscale methods. - Markus A. Köbis; Martin Arnold (J. Comput. Appl. Math., 2014)

Image Space Analysis for Constrained Inverse Vector Variational Inequalities via Multiobjective Optimization. - Jiawei Chen; Elisabeth Köbis; Markus Köbis; Jen-Chih Yao (J. Optim. Theory Appl., 2018)

Nonlinear Separation Approach to Inverse Variational Inequalities in Real Linear Spaces. - Elisabeth Köbis; Markus A. Köbis; Xiaolong Qin (J. Optim. Theory Appl., 2019)

A Projected Subgradient Method for Nondifferentiable Quasiconvex Multiobjective Optimization Problems. - Xiaopeng Zhao; Markus A. Köbis; Yonghong Yao; Jen-Chih Yao (J. Optim. Theory Appl., 2021)

Unboundedness of the images of set-valued mappings having closed graphs: application to vector optimization. - Vu Trung Hieu; E. A. S. Köbis; Markus A. Köbis; Paul Hugo Schmölling (J. Glob. Optim., 2025)