Giovanni Iacca

This five-volume set, LNCS 16985–16989, constitutes the refereed proceedings of the 19th International Conference on Parallel Problem Solving from Nature, PPSN 2026, held in Trento, Italy, during August 29-September 2, 2026.The 165 full papers presented in these proceedings were carefully reviewed and selected from 527 submissions. The papers cover the following topical sections:Part I: Theory & Runtime Analysis; Combinatorial Optimization; Landscape Analysis & Benchmarking;Part II: Multi-Objective Optimization; Swarm Intelligence &...