A Unified Framework for Metaheuristics. - Jürgen Branke; Michael Stein 002; Hartmut Schmeck (GECCO, 2003)

A Unified View on Metaheuristics and Their Hybridization. - Jürgen Branke; Michael Stein 002; Hartmut Schmeck (Handbook of Bioinspired Algorithms and Applications, 2005)

Mean-Variance Portfolio Selection With Complex Constraints - Michael Stein 002 (2007)

Efficient implementation of an active set algorithm for large-scale portfolio selection. - Michael Stein 002; Jürgen Branke; Hartmut Schmeck (Comput. Oper. Res., 2008)

Portfolio optimization with an envelope-based multi-objective evolutionary algorithm. - Jürgen Branke; B. Scheckenbach; Michael Stein 002; Kalyanmoy Deb; Hartmut Schmeck (Eur. J. Oper. Res., 2009)