Seminar za računarstvo i primenjenu matematiku, 30. novembar 2021.

Naredni sastanak Seminara biće održan onlajn u utorak, 30. novembra 2021. sa početkom u 14.15 časova.

Predavač: Bogdana Stanojević, Matematički institut SANU

Naslov predavanja: ON FINDING WELL SPREAD NON-DOMINATED VECTORS TO MANY-OBJECTIVE NONLINEAR OPTIMIZATION PROBLEMS

Apstrakt:
In this talk a recent approach to generate well spread non-dominated vectors to a many-objective nonlinear optimization problem will be described. The approach employs an optimization model designed to yield certain non-dominated vectors that can fill gaps between already generated non-dominated vectors, providing a way to deal with the adjacency of generated non-dominated vectors and to quantify the gaps between them. A pseudo-randomized variant of the exact approach will be also presented. Ten problems from the literature, including bi-objective, 3-objective, 5-objective and 10-objective test instances with non-convex, disconnected or continuous Pareto frontier were selected for illustration. The inverted generational distance (IGD) and the hyper-volume (HV) were used as performance metrics to measure the quality of the obtained approximations.

The presentation is based on a joint work with prof. Fred Glover, University of Colorado.
Zbog trenutne epidemiološke situacije, predavanja se mogu pratiti isključivo na daljinu preko linka
https://miteam.mi.sanu.ac.rs/asset/YoqHWKALRkRTbK9So

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preko linka: https://miteam.mi.sanu.ac.rs/asset/xzGqvSp7aWbg8WpYX



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