output publications or other works 30TH EUROPEAN CONFERENCE ON OPERATIONAL RESEARCH (Congress Organization) Event A Farkas Lemma approach to calmness of linear inequality systems Conference Paper A uniform approach to Hölder calmness of subdifferentials Conference Paper Benchmarking: An approach for performance evaluation based on DEA Conference Paper Calmness and Lipschitz moduli of uncertain linear inequality systems with the Hausdorff metric Conference Paper Lipschitz lower semicontinuity properties for linear inequality systems and their moduli Conference Paper Portfolio optimization with two levels of decision-makers Conference Paper Solving a bi-objective location problem with genetic algorithms Conference Paper