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20th WALCOM 2026: Perugia, Italy
- Emilio Di Giacomo

, Debajyoti Mondal
:
WALCOM: Algorithms and Computation - 20th International Conference and Workshops on Algorithms and Computation, WALCOM 2026, Perugia, Italy, March 4-6, 2026, Proceedings. Lecture Notes in Computer Science 16444, Springer 2026, ISBN 978-981-95-7126-0
Graph Drawings and Embeddings
- Markus Chimani, Mirko H. Wagner:

Computing Beyond-Planar Crossing Numbers via Forbidden Crossing Patterns. 3-18 - Oswin Aichholzer, Yuya Higashikawa, Joachim Orthaber, Daniel Perz, Birgit Vogtenhuber, Alexandra Weinberger:

Minimum-Weight Outerplane Laman Graphs. 19-32 - Steven van den Broek, Marc J. van Kreveld, Wouter Meulemans, Arjen Simons:

Minimizing Vertical Length in Linked Bar Charts. 33-48 - Henry Förster, Giacomo Ortali, Lena Schlipf:

On Compaction and Realizability of Almost Convex Octilinear Representations. 49-63 - Maike Buchin, Wolf Kißler, Fabian Kubon:

Hardness and Parameterized Tractability of the Weak Graph Distance. 64-78
Approximation
- Siam Habib, Debajyoti Mondal, Sadia Sharmin, Md. Saidur Rahman:

Hardness and Approximation Results for Extending Unique Neighborhood Networks. 81-95 - Michal Szyfelbein:

Approximating the Average-Case Graph Search Problem with Non-uniform Costs. 96-109 - David Denisov, Shlomi Dolev, Dan Feldman, Michael Segal:

Linear Time Small Coresets for k-Mean Clustering of Segments with Applications. 110-124 - Bastien Auvray, Julien David, Richard Groult, Thierry Lecroq:

Cartesian Forest Matching. 125-139 - Markus Lohrey, Leon Rische, Louisa Seelbach Benkner, Julio Xochitemol:

Streaming Algorithms for Products of Probabilities. 140-153
Induced subgraphs and dominating sets
- Haruya Imamura, Yasuaki Kobayashi, Yota Otachi, Toshiki Saitoh, Keita Sato, Asahi Takaoka, Ryo Yoshinaka, Tom C. van der Zanden:

Finding Order-Preserving Subgraphs. 157-171 - Tesshu Hanaka, Yuto Okada, Yota Otachi, Lena Volk:

Finding a Maximum Common (Induced) Subgraph: Structural Parameters Revisited. 172-186 - Marco D'Elia, Fabrizio Frati:

Large Induced Subgraphs of Bounded Degree in Outerplanar and Planar Graphs. 187-202 - Urszula Bednarz, Jan Kratochvíl, Adrian Michalski:

Complexity of Perfect (1, 2)-Dominating Sets in Low-Degree Graphs. 203-214
Complexity
- Lisa Lehner, Christian Komusiewicz, Luca Pascal Staus:

A Complexity Analysis of the c-Closed Vertex Deletion Problem. 217-231 - Cristina Bazgan, Morgan Chopin, André Nichterlein, Camille Richer:

On the Computational Complexity of Covering Multi-Interface Networks. 232-246 - Jan Bok, Avinandan Das, Anna Gujgiczer, Nikola Jedlicková:

Generalizing Brooks' Theorem via Partial Coloring Is Hard Classically and Locally. 247-262 - Sheikh Shakil Akhtar, Pranabendu Misra, Geevarghese Philip:

Space Efficient Algorithms for Parameterised Problems. 263-275 - Malory Marin:

Subexponential and Parameterized Mixing Times of Glauber Dynamics on Independent Sets. 276-290
Games and Graph Reconfiguration
- Kyle Burke, Antoine Dailly, Nacim Oijid:

Complexity and Algorithms for Arc-Kayles and Non-disconnecting Arc-Kayles. 293-307 - Pragya Arora, Palash Dey, Neeldhara Misra:

Can One Flip Spoil it All? 308-322 - Naonori Kakimura, Yoshihiko Terai:

Computing Power Indices in Weighted Majority Games with Formal Power Series. 323-336 - Henning Fernau, Kevin Mann:

How to Reconfigure Your Alliances. 337-352 - Julien Bensmail, Noémie Catherinot, Foivos Fioravantes, Clara Marcille, Nacim Oijid:

Graph Irregularity via Edge Deletions. 353-367
Shortest Paths and Minimum Spanning Trees
- Tatsuya Gima, Yasuaki Kobayashi, Yota Otachi, Takumi Sato:

Forcing a Unique Minimum Spanning Tree and a Unique Shortest Path. 371-385 - Afrouz Jabal Ameli, Faezeh Motiei, Morteza Saghafian:

On the MST-Ratio: Theoretical Bounds and Complexity of Finding the Maximum. 386-401 - Mark de Berg, Andrés López Martínez, Frits C. R. Spieksma:

Disjoint Tours and the Price of Diversity. 402-417 - Taekang Eom, Taehoon Ahn, Minju Song, Hee-Kap Ahn:

Shortcutting the Diameter of a Polygon. 418-431 - Rin Saito, Takehiro Ito:

Parameterized Complexity of Reconfiguring Vertex-Disjoint Shortest Paths. 432-447
Geometric Problems
- Nicolás Honorato Droguett, Kazuhiro Kurita, Tesshu Hanaka, Hirotaka Ono, Alexander Wolff:

Further Results on Rendering Geometric Intersection Graphs Sparse by Dispersion. 451-466 - Kevin Buchin, Maike Buchin, Jan Erik Swiadek, Sampson Wong:

Fundamentals of Computing Continuous Dynamic Time Warping in 2D Under Different Norms. 467-482 - Esther M. Arkin, Alon Efrat, Omrit Filtser, Stephen G. Kobourov, Jan Kratochvíl, Joseph S. B. Mitchell, Ariel Rosenberg:

The Gate-Cover Problem. 483-498 - Mohammad Ali Abam, Mohammad Ghodsi, Seyed Mohammad Hussein Kazemi:

Trajectory Visibility at First Sight. 499-511 - Jonas Friemel, David Liedtke, Christian Scheffer:

Tile Reconfiguration by a Finite Automaton. 512-526
Enumeration Problems
- Ryohei Okuda, Jun Kawahara, Shin-ichi Minato:

Enumerating All Graph Colorings Using Zero-Suppressed Binary Decision Diagrams. 529-544 - Marco D'Elia, Irene Finocchi, Maurizio Patrignani:

Engineering Algorithms for ℓ-Isolated Maximal Clique Enumeration. 545-559 - Kazuhiro Kurita, Kevin Mann:

On the Complexity of Hyperpath and Minimal Separator Enumeration in Directed Hypergraphs. 560-575 - Yuki Nishimura, Kazuya Haraguchi:

Enumeration of Bases in Matroid with Exponentially Large Ground Set. 576-590

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