Guest editorial: revised selected papers from the LION 12 conference

Abstract

The twelfth installment of the conference series ”Learning and Intelligent Optimization” (LION) was held in Kalamata, Greece, June 10-15, 2018. The conference program featured four invited speakers, namely, Lefteris Kirousis, who spoke on “Algorithmic aspects of the Lovasz local lemma”, George Michailidis, who spoke on “Fast Randomized Algo- ´ rithms for Tensor Operations and their Applications”, Yaroslav D. Sergeyev, who spoke on “Deterministic Lipschitz global optimization algorithms and their comparison with metaheuristics” and Michael N. Vrahatis, who spoke on “Generalizations of the Bolzano theorem for tackling problems with imprecise information”