Combinatorial Algorithms: 27th International Workshop, IWOCA 2016, Helsinki, Finland, August 17-19,

Computational complexity.- On the complexity of computing the tree-breadth.-Online Chromatic Number is PSPACE-Complete.- Computational geometry.- Bounded embeddings of graphs in the plane.- Crushing Disks Efficiently.-Essential Constraints of Edge-Constrained Proximity Graphs.- Plane Bichromatic Trees of Low Degree.- Networks.- Directing Road Networks by Listing Strong Orientations.- Evangelism in Social Networks.- Distance Queries in Large-Scale Fully Dynamic Complex Networks.- Minimax Regret 1-Median Problem in Dynamic Path Networks.- Enumeration.- On Maximal Chain Subgraphs and Covers of Bipartite Graphs.- Weighted de Bruijn Graphs for the Menage Problem and Its Generalizations.- Reconfiguration of Steiner Trees in an Unweighted Graph.- Online algorithms.- Weighted Online Problems with Advice.- Finding gapped palindromes online.- Advice Complexity of the Online Search Problem.- Packed Compact Tries: A Fast and Efficient Data Structure for Online String Processing.- Algorithmic graph theory.- A boundary property for upper domination.- Upper Domination: Complexity and Approximation.- Well-quasi-ordering versus clique-width: new results on bigenic classes.- Sufficient Conditions for Tuza's Conjecture on Packing and Covering Triangles.- Dynamic programming.- Linear Time Algorithms for Happy Vertex Coloring Problems for Trees.- Speeding up dynamic programming in the line-constrained k-median.- Combinatorial algorithms.- SOBRA - Shielding Optimization for BRAchytherapy.- A bit-scaling algorithm for integer feasibility in UTVPI constraints.- Limits of Greedy Approximation Algorithms for the Maximum Planar Subgraph Problem.- Exact Algorithms For Weighted Coloring In Special Classes of Tree and Cactus Graphs.- Graph algorithms.- Finding Cactus Roots in Polynomial Time.- Computing Giant Graph Diameters.- Faster Computation of Path-Width.- The Solution Space of Sorting with Recurring Comparison Faults.- Combinatorics.- Monotone paths in geometric triangulations.- On computing the total displacement number via weighted Motzkin paths.- Probabilistics.- Partial Covering Arrays: Algorithms and Asymptotics.- Querying Probabilistic Neighborhoods in Spatial Data Sets Efficiently.