Combinatorial Algorithms

Distance from Triviality 2.0: Hybrid Parameterizations.- Graphs as Algorithms: Characterizing Motion-Planning Gadgets through Simulation and Complexity.- On the Existence of EFX Allocations.- Lower Bounds for Restricted Schemes in the Two-Adaptive Bitprobe Model.- Perfect Matchings with Crossings.- Graph parameters, implicit representations and factorial properties.- Approximating Subset Sum Ratio via Subset Sum Computations.- Faster Algorithm for Finding Maximum 1-Restricted Simple 2-Matchings.- Lower bounds on the performance of online algorithms for relaxed packing problems.- An Adjacency Labeling Scheme Based On A Decomposition Of Trees Into Caterpillars.- Computing Longest (Common) Lyndon Subsequence.- Structure-aware combinatorial group testing: a new method for pandemic screening.- Convex Grid Drawings of Planar Graphs with Constant Edge-Vertex Resolution.- 1-Extendability of independent sets.- Tukey Depth Histograms.- An Efficient Algorithm for the Proximity Connected Two Center Problem.- A New Temporal Interpretation of Cluster Editing.- List covering of regular multigraphs.- The Slotted Online One-Sided Crossing Minimization Problem on 2-Regular Graphs.- Perfect matching cuts partitioning a graph into complementary subgraphs.- On the Intractability Landscape of Digraph Intersection Representations.- The Red-Blue Separation problem on graphs.- Harmless Sets in Sparse Classes.- The Parameterized Complexity of s-Club with Triangle and Seed Constraints.- Space-Efficient B Trees via Load-Balancing.- An Additive Approximation Scheme for the Nash Social Welfare Maximization with Identical Additive Valuations.- Controlling Weighted Voting Games by Deleting or Adding Players with or without Changing the Quota.- Practical Space-Efficient Index for Structural Pattern Matching.- A Shift Gray Code for Fixed-Content Lukasiewicz Words.- Learning from Positive and Negative Examples: Dichotomies and Parameterized Algorithms.- Using Edge Contractions and Vertex Deletions