Seeing Arboretum for the (partial k) Trees.- Collaborating With Hans: Some Remaining Wonderments.- Hans Bodlaender and the Theory of Kernelization Lower Bounds.- Algorithms, Complexity, and Hans.- Lower Bounds for Dominating Set in Ball Graphs and for Weighted Dominating Set in Unit-Ball Graphs.- As Time Goes By: Reflections on Treewidth for Temporal Graphs.- Possible and Impossible Attempts to Solve the Treewidth Problem via ILPs.- Crossing Paths with Hans Bodlaender: A Personal View on Cross-Composition for Sparsification Lower Bounds.- Efficient Graph Minors Theory and Parameterized Algorithms for (Planar) Disjoint Paths.- Four shorts stories on surprising algorithmic uses of treewidth.- Algorithms for NP-Hard Problems via Rank-related Parameters of Matrices.- A Survey on Spanning Tree Congestion.- Surprising Applications of Treewidth Bounds for Planar Graphs.- Computing tree decompositions.- Experimental analysis of treewidth.- A Retrospective on (Meta) Kernelization.- Games, Puzzles and Treewidth.- Fast Algorithms for Join Operations on Tree Decompositions.
