Approximation and Online Algorithms 21st International Workshop, WAOA 2023, Amsterdam, The Netherlands, September 7–8, 2023, Proceedings

Optimization under Explorable Uncertainty: Adversarial and Stochastic Models.- Approximation Ineffectiveness of a Tour-Untangling Heuristic.- A Frequency-Competitive Query Strategy for Maintaining Low Collision Potential Among Moving Entities.- Approximating Maximum Edge 2-Coloring by Normalizing Graphs.- An Improved Deterministic Algorithm for the Online Min-Sum Set Cover Problem.- Greedy Minimum-Energy Scheduling.- Scheduling with Speed Predictions.- The Power of Amortization on Scheduling with Explorable Uncertainty.- Total Completion Time Scheduling Under Scenarios.- Approximating Fair k-Min-Sum-Radii in Euclidean Space.- Online hitting set of d-dimensional fat objects.- Approximation Schemes under Resource Augmentation for Knapsack and Packing Problems of Hyperspheres and Other Shapes.- Hitting Sets when the Shallow Cell Complexity is Small.- Any-Order Online Interval Selection.- Improved Approximations for Relative Survivable Network Design.- Independent set in k-Claw-Free Graphs: Conditional ?-boundedness and the Power of LP/SDP Relaxations.- Fast Parallel Algorithms for Submodular p-Superseparable Maximization.