Graphs in Nature -- Set Similarity - a Survey -- Concurrent Connected Components Algorithms: Recent Results and Open Problems -- Succinct Data Structures for Families of Interval Graphs -- On Polynomial-Time Combinatorial Algorithms for Maximum L-Bounded Flow -- Efficient Nearest-Neighbor Query and Clustering of Planar Curves -- Positive-Instance Driven Dynamic Programming for Graph Searching -- How to Morph a Tree on a Small Grid -- Approximating the robust bin-packing with budget uncertainty -- Rank-Select Indices Without Tears -- A PTAS for Bounded-Capacity Vehicle Routing in Planar Graphs -- A Framework for Vehicle Routing Approximation Schemes in Trees -- Avoidable Vertices and Edges in Graphs -- Plane Hop Spanners for Unit Disk Graphs -- On the Minimum Consistent Subset Problem -- Parameterized Complexity of Conict-free Graph Coloring -- Graph Isomorphism for (H1,H2)-Free Graphs: An Almost Complete Dichotomy -- Hamiltonicity for convex shape Delaunay and Gabriel graphs -- Computing Maximum Independent Set on Outerstring Graphs and Their Relatives -- Online Bin Covering with Advice -- Stackelberg Packing Games -- Range closest-pair search in higher dimensions -- Orthogonal Range Reporting and Rectangle Stabbing for Fat Rectangles -- Kernelization of Graph Hamiltonicity: Proper H-Graphs -- Weighted Throughput Maximization with Calibrations -- Maximizing Dominance in the Plane and its Applications -- Extending Upward Planar Graph Drawings -- Online Circle Packing -- Guess Free Maximization of Submodular and Linear Sums -- Efficient Second-Order Shape-Constrained Function Fitting -- Dynamic Online Dictionary Matching -- Balanced Stable Marriage: How Close is Close Enough? -- Improved Streaming Algorithms for Maximizing Monotone Submodular Functions under a Knapsack Constraint -- Inventory Routing Problem with Facility Location -- A Linear-Time Algorithm for Radius-Optimally Augmenting Paths in a Metric Space -- Geometric Firefighting in the Half-plane -- Most vital segment barriers -- Splaying Preorders and Postorders -- Wannabe Bounded Treewidth Graphs Admit a Polynomial Kernel for DFVS -- Discrete Morse Theory for Computing Zigzag Persistence -- Optimal Offline Dynamic 2,3-Edge/Vertex Connectivity -- Zip Trees -- Improved Algorithms for the Bichromatic Two-Center Problem for Pairs of Points.