Multi-Objective Optimization

Overview

The field studies problems where improving one objective—such as accuracy, cost, safety, energy use, or fairness—can worsen another, and represents the alternatives as a Pareto frontier. Common approaches include evolutionary algorithms such as NSGA-II, Bayesian optimization for expensive evaluations, gradient-based methods for learning systems, and reinforcement-learning or generative methods for sequential and design tasks. Researchers also develop preference elicitation and constraint-handling methods so people can select useful trade-offs without always computing an entire frontier. A central tension is balancing broad, reliable coverage of feasible trade-offs against evaluation cost, while scalarization, objective scaling, and changing preferences can all affect which solutions are found.

Latest papers

CardsList

270 papers40 papers in the last four weeks, up 48% on the four weeks before. 0.2% of all new papers.

  1. Optimal Recourse Summaries via Bi-Objective Decision Tree Learning

    May 8, 2026Ioannis Chatzis, Jason Liartis, Athanasios Voulodimos +1Algorithmic AuditingDecision Tree Learning

  2. From Feasible to Practical: Pareto-Optimal Synthesis Planning

    May 8, 2026Friedrich Hastedt, Dongda Zhang, Antonio del Rio ChanonaMulti-Objective OptimizationPareto Optimization

  3. MARBLE: Multi-Aspect Reward Balance for Diffusion RL

    May 7, 2026Canyu Zhao, Hao Chen, Yunze Tong +3Multi-Objective Reinforcement LearningDiffusion Model Alignment

  4. From Dual Tracking to Clipping: Provably Faster Distributionally Robust Multi-Objective Optimization

    May 7, 2026Yufeng Yang, Fangning Zhuo, Ziyi Chen +2Gradient ClippingGradient Descent

  5. Contextual Multi-Objective Optimization: Rethinking Objectives in Frontier AI Systems

    May 5, 2026Jie Zhou, Qin Chen, Liang HeAI AlignmentAI Safety

  6. Exact and Evolutionary Algorithms for Sequential Multi-Objective Transmission Topology Planning

    May 5, 2026Job Groeneveld, Miguel Muñoz, Jan Viebahn +1Multi-Objective Evolutionary OptimizationCombinatorial Optimization

  7. CoAction: Cross-task Correlation-aware Pareto Set Learning

    May 3, 2026Xinyue Chen, Yingxuan Liang, Yiqin Huang +3Multi-Task LearningMulti-Task Optimization

  8. Differentiable Multiphysics Co-Optimization via Implicit Neural Representations: A Transient Hamburger-Cooking Benchmark

    May 1, 2026Navid ZobeiryDifferentiable OptimizationMulti-Objective Optimization

  9. MAEO: Multiobjective Animorphic Ensemble Optimization for Scalable Large-scale Engineering Applications

    Apr 26, 2026Omer F. Erdem, Dean Price, Paul Seurin +1Evolutionary OptimizationMulti-Objective Evolutionary Optimization

  10. CombiMOTS: Combinatorial Multi-Objective Tree Search for Dual-Target Molecule Generation

    Apr 25, 2026Thibaud Southiratn, Bonil Koo, Yijingxiu Lu +1Monte Carlo Tree SearchMolecular Generation

  11. Generative Discovery of Magnetic Insulators under Competing Physical Constraints

    Apr 22, 2026Qiulin Zeng, Tahiya Chowdhury, Md Shafayat HossainMaterials ScienceCrystal Structure Generation

  12. MGDA-Decoupled: Geometry-Aware Multi-Objective Optimisation for DPO-based LLM Alignment

    Apr 22, 2026Andor Vári-Kakas, Ji Won Park, Natasa TagasovskaDirect Preference OptimizationGradient Descent

  13. Lexicographic Minimum-Violation Motion Planning using Signal Temporal Logic

    Apr 22, 2026Patrick Halder, Lothar Kiltz, Hannes Homburger +2STL Motion PlanningMotion Planning

  14. Think Before Writing: Feature-Level Multi-Objective Optimization for Generative Citation Visibility

    Apr 21, 2026Zikang Liu, Peilan XuGenerative Engine OptimizationMulti-Objective Optimization

  15. Barrier-enforced multi-objective optimization for direct point and sharp interval forecasting

    Apr 20, 2026Worachit Amnuaypongsa, Yotsapat Suparanonrat, Pana Wanitchollakit +1Multi-Objective OptimizationProbabilistic Time Series Forecasting

  16. The Magnitude of Dominated Sets: A Pareto Compliant Indicator Grounded in Metric Geometry

    Apr 20, 2026Michael T. M. EmmerichMulti-Objective OptimizationPareto Optimization

  17. RosettaSearch: Multi-Objective Inference-Time Search for Protein Sequence Design

    Apr 19, 2026Meghana Kshirsagar, Allen Nie, Ching-An Cheng +5Inference-Time SearchLarge Language Model-Guided Optimization

  18. Multi-Objective Bayesian Optimization via Adaptive \varepsilon-Constraints Decomposition

    Apr 17, 2026Yaohong Yang, Sammie Katt, Samuel KaskiBayesian OptimizationMulti-Objective Optimization

  19. VisPCO: Visual Token Pruning Configuration Optimization via Budget-Aware Pareto-Frontier Learning for Vision-Language Models

    Apr 16, 2026Huawei Ji, Yuanhao Sun, Yuan Jin +4Vision-Language ModelsEfficient VLM Inference

  20. Skyline-First Traversal as a Control Mechanism for Multi-Criteria Graph Search

    Apr 14, 2026Nicolas TachenyPareto OptimizationMulti-Objective Optimization

  21. Scaffold-Conditioned Preference Triplets for Controllable Molecular Optimization with Large Language Models

    Apr 14, 2026Yi Xiong, Liang Xiong, Xiaohong Ji +4Molecular OptimizationLarge Language Model-Guided Optimization

  22. On the Use of Bi-Objective Evolutionary Algorithms for the Stochastic MKP under Dynamic Constraints

    Apr 13, 2026Ishara Hewa Pathiranage, Aneta NeumannCombinatorial OptimizationConstrained Optimization

  23. Preference-Agile Multi-Objective Optimization for Real-time Vehicle Dispatching

    Apr 12, 2026Jiahuan Jin, Wenhao Zhao, Rong Qu +4Multi-Party Multi-Objective OptimizationMulti-Objective Optimization