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41st SoCG 2025: Kanazawa, Japan
- Oswin Aichholzer
, Haitao Wang
:
41st International Symposium on Computational Geometry, SoCG 2025, June 23-27, 2025, Kanazawa, Japan. LIPIcs 332, Schloss Dagstuhl - Leibniz-Zentrum für Informatik 2025, ISBN 978-3-95977-370-6 - Front Matter, Table of Contents, Preface, Conference Organization. 0:i-0:xxii
- Mikkel Abrahamsen, Kevin Buchin, Maike Buchin, Linda Kleist, Maarten Löffler, Lena Schlipf, André Schulz, Jack Stade:
Reconfiguration of Unit Squares and Disks: PSPACE-Hardness in Simple Settings. 1:1-1:18 - Eyal Ackerman, Gábor Damásdi, Balázs Keszegh, Rom Pinchasi, Rebeka Raffay:
The Maximum Number of Digons Formed by Pairwise Intersecting Pseudocircles. 2:1-2:14 - Peyman Afshani, Yakov Nekrich, Frank Staals:
Convexity Helps Iterated Search in 3D. 3:1-3:14 - Pankaj K. Agarwal, Boris Aronov, Olivier Devillers, Christian Knauer, Guillaume Moroz:
A Subquadratic Algorithm for Computing the L₁-Distance Between Two Terrains. 4:1-4:17 - Pankaj K. Agarwal, Mark de Berg, Benjamin Holmgren, Alex Steiger, Martijn Struijs:
Optimal Motion Planning for Two Square Robots in a Rectilinear Environment. 5:1-5:17 - Ángel Javier Alonso:
A Sparse Multicover Bifiltration of Linear Size. 6:1-6:18 - Shinwoo An, Eunjin Oh, Jie Xue:
Single-Source Shortest Path Problem in Weighted Disk Graphs. 7:1-7:15 - Konrad Anand, Weiming Feng, Graham Freifeld, Heng Guo, Mark Jerrum, Jiaheng Wang:
Rapid Mixing of the Flip Chain over Non-Crossing Spanning Trees. 8:1-8:18 - Patrizio Angelini, Sabine Cornelsen, Carolina Haase, Michael Hoffmann, Eleni Katsanou, Fabrizio Montecchiani, Raphael Steiner
, Antonios Symvonis:
Geometric Realizations of Dichotomous Ordinal Graphs. 9:1-9:16 - Dustin L. Arendt, Matthew Broussard, Bala Krishnamoorthy, Nathaniel Saul, Amber Thrall:
Steinhaus Filtration and Stable Paths in the Mapper. 10:1-10:21 - Dominique Attali, Mattéo Clémot, Bianca B. Dornelas, André Lieutier:
When Alpha-Complexes Collapse onto Codimension-1 Submanifolds. 11:1-11:19 - Sang Won Bae, Nicolau Oliver, Evanthia Papadopoulou:
Higher-Order Color Voronoi Diagrams and the Colorful Clarkson-Shor Framework. 12:1-12:19 - Jineon Baek, Martin Balko:
The Erdős-Szekeres Conjecture Revisited. 13:1-13:15 - Lies Beers
, Magnus Bakke Botnan:
Extremal Betti Numbers and Persistence in Flag Complexes. 14:1-14:18 - Matthias Bentert, Fedor V. Fomin, Petr A. Golovach, M. S. Ramanujan, Saket Saurabh:
When Distances Lie: Euclidean Embeddings in the Presence of Outliers and Distance Violations. 15:1-15:16 - Helena Bergold, Lukas Egeling, Hung P. Hoang:
Signotopes with Few Plus Signs. 16:1-16:14 - Sujoy Bhore, Timothy M. Chan, Zhengcheng Huang, Shakhar Smorodinsky, Csaba D. Tóth:
Sparse Bounded Hop-Spanners for Geometric Intersection Graphs. 17:1-17:15 - Therese Biedl, Éric Colin de Verdière, Fabrizio Frati, Anna Lubiw, Günter Rote:
Finding a Shortest Curve That Separates Few Objects from Many. 18:1-18:16 - Ahmad Biniaz, Jean-Lou De Carufel, Anil Maheshwari, Michiel Smid, Shakhar Smorodinsky, Milos Stojakovic:
Polychromatic Coloring of Tuples in Hypergraphs. 19:1-19:17 - Ahmad Biniaz, Anil Maheshwari, Magnus Christian Ring Merrild, Joseph S. B. Mitchell, Saeed Odak, Valentin Polishchuk, Eliot W. Robson, Casper Moldrup Rysgaard
, Jens Kristian Refsgaard Schou
, Thomas C. Shermer, Jack Spalding-Jamieson, Rolf Svenning
, Da Wei Zheng:
Polynomial-Time Algorithms for Contiguous Art Gallery and Related Problems. 20:1-20:21 - Thomas Bläsius, Jean-Pierre von der Heydt, Sándor Kisfaludi-Bak, Marcus Wilhelm, Geert van Wordragen
:
Structure and Independence in Hyperbolic Uniform Disk Graphs. 21:1-21:16 - Lotte Blank, Jacobus Conradi, Anne Driemel, Benedikt Kolbe, André Nusser, Marena Richter:
Transforming Dogs on the Line: On the Fréchet Distance Under Translation or Scaling in 1D. 22:1-22:16 - Édouard Bonnet, Kristóf Huszár
:
On the Twin-Width of Smooth Manifolds. 23:1-23:16 - Édouard Bonnet, Pawel Rzazewski:
An 11/6-Approximation Algorithm for Vertex Cover on String Graphs. 24:1-24:15 - Karl Bringmann, Kasper Green Larsen, André Nusser, Eva Rotenberg, Yanheng Wang:
Approximating Klee's Measure Problem and a Lower Bound for Union Volume Estimation. 25:1-25:16 - Kevin Buchin, Carolin Rehs, Torben Scheele:
Geometric Spanners of Bounded Tree-Width. 26:1-26:15 - Kevin Buchin, Antonia Kalb, Anil Maheshwari, Saeed Odak, Carolin Rehs, Michiel Smid, Sampson Wong:
Computing Oriented Spanners and Their Dilation. 27:1-27:17 - Rhuaidi Antonio Burke, Benjamin A. Burton, Jonathan Spreer:
Small Triangulations of 4-Manifolds and the 4-Manifold Census. 28:1-28:16 - Mathieu Carrière, Seunghyun Kim, Woojin Kim:
Sparsification of the Generalized Persistence Diagrams for Scalability Through Gradient Descent. 29:1-29:17 - Luca Castelli Aleardi, Éric Fusy, Jyh-Chwen Ko, Razvan-Stefan Puscasu:
Computation of Toroidal Schnyder Woods Made Simple and Fast: From Theory to Practice. 30:1-30:19 - Timothy M. Chan, Isaac M. Hair:
A Linear Time Algorithm for the Maximum Overlap of Two Convex Polygons Under Translation. 31:1-31:16 - Timothy M. Chan, Zhengcheng Huang:
Faster Algorithms for Reverse Shortest Path in Unit-Disk Graphs and Related Geometric Optimization Problems: Improving the Shrink-And-Bifurcate Technique. 32:1-32:14 - Timothy M. Chan, Chaya Keller, Shakhar Smorodinsky:
On Zarankiewicz's Problem for Intersection Hypergraphs of Geometric Objects. 33:1-33:14 - Siu-Wing Cheng, Haoqiang Huang, Le Jiang:
Simplification of Trajectory Streams. 34:1-34:14 - Oliver A. Chubet, Kirk P. Gardner, Donald R. Sheehy:
A Theory of Sub-Barcodes. 35:1-35:16 - James Davies, Agelos Georgakopoulos, Meike Hatzel, Rose McCarty:
Strongly Sublinear Separators and Bounded Asymptotic Dimension for Sphere Intersection Graphs. 36:1-36:16 - Sarita de Berg, Frank Staals:
Nearest Neighbor Searching in a Dynamic Simple Polygon. 37:1-37:15 - Colleen Delaney, Clément Maria, Eric Samperton:
An Algorithm for Tambara-Yamagami Quantum Invariants of 3-Manifolds, Parameterized by the First Betti Number. 38:1-38:15 - Erik D. Demaine, Stefan Langerman:
Tiling with Three Polygons Is Undecidable. 39:1-39:16 - Tamal K. Dey, Tao Hou, Dmitriy Morozov:
Apex Representatives. 40:1-40:16 - Tamal K. Dey, Jan Jendrysiak, Michael Kerber:
Decomposing Multiparameter Persistence Modules. 41:1-41:19 - Anne Driemel, Morteza Monemizadeh, Eunjin Oh, Frank Staals, David P. Woodruff:
Range Counting Oracles for Geometric Problems. 42:1-42:16 - Herbert Edelsbrunner, Alexey Garber, Morteza Saghafian:
On Spheres with k Points Inside. 43:1-43:12 - Eduard Eiben, Robert Ganian, Iyad Kanj, M. S. Ramanujan:
A Minor-Testing Approach for Coordinated Motion Planning with Sliding Robots. 44:1-44:15 - Marzieh Eidi, Sayan Mukherjee:
Higher Order Bipartiteness vs Bi-Partitioning in Simplicial Complexes. 45:1-45:12 - David Eppstein:
Non-Euclidean Erdős-Anning Theorems. 46:1-46:15 - Jeff Erickson, Christian Howard:
Shelling and Sinking Graphs on the Sphere. 47:1-47:18 - Sándor P. Fekete, Phillip Keldenich, Michael Perk:
Exact Algorithms for Minimum Dilation Triangulation. 48:1-48:18 - Arnold Filtser:
On Sparse Covers of Minor Free Graphs, Low Dimensional Metric Embeddings, and Other Applications. 49:1-49:16 - Jacob Fox, János Pach, Andrew Suk:
Immersions and Albertson's Conjecture. 50:1-50:10 - Shion Fukuzawa, Michael T. Goodrich, Sandy Irani:
Quantum Combine and Conquer and Its Applications to Sublinear Quantum Convex Hull and Maxima Set Construction. 51:1-51:15 - Abhibhav Garg, Rafael Oliveira, Akash Kumar Sengupta:
Uniform Bounds on Product Sylvester-Gallai Configurations. 52:1-52:15 - Benyamin Ghaseminia, Mohammad R. Salavatipour:
A PTAS for TSP with Neighbourhoods over Parallel Line Segments. 53:1-53:15 - Sariel Har-Peled, Benjamin Raichel, Eliot W. Robson:
The Fréchet Distance Unleashed: Approximating a Dog with a Frog. 54:1-54:13 - Alexander He, Eric Sedgwick, Jonathan Spreer:
A Practical Algorithm for Knot Factorisation. 55:1-55:15 - Martin G. Herold, Danupon Nanongkai, Joachim Spoerhase, Nithin Varma, Zihang Wu:
Sublinear Data Structures for Nearest Neighbor in Ultra High Dimensions. 56:1-56:15 - John Hershberger:
Snap Rounding: A Cautionary Tale. 57:1-57:14 - Tao Hou, Salman Parsa, Bei Wang:
Tracking the Persistence of Harmonic Chains: Barcode and Stability. 58:1-58:16 - John Iacono, Yakov Nekrich:
Incremental Planar Nearest Neighbor Queries with Optimal Query Time. 59:1-59:15 - Klaus Jansen, Debajyoti Kar, Arindam Khan, K. V. N. Sreenivas, Malte Tutas:
Improved Approximation Algorithms for Three-Dimensional Knapsack. 60:1-60:18 - Attila Jung, Dömötör Pálvölgyi:
k-Dimensional Transversals for Fat Convex Sets. 61:1-61:12 - Karthik C. S., Euiwoong Lee, Yuval Rabani, Chris Schwiegelshohn, Samson Zhou:
On Approximability of ℓ₂² Min-Sum Clustering. 62:1-62:18 - J. Mark Keil, Debajyoti Mondal:
The Maximum Clique Problem in a Disk Graph Made Easy. 63:1-63:16 - Donghan Kim, Woojin Kim, Wonjun Lee
:
Super-Polynomial Growth of the Generalized Persistence Diagram. 64:1-64:20 - Yasuaki Kobayashi, Yuto Okada, Alexander Wolff:
Recognizing 2-Layer and Outer k-Planar Graphs. 65:1-65:16 - Robert Krauthgamer, Nir Petruschka:
Lipschitz Decompositions of Finite 𝓁p Metrics. 66:1-66:14 - Corentin Lunel, Arnaud de Mesmay, Jonathan Spreer:
Hard Diagrams of Split Links. 67:1-67:17 - Dmitriy Morozov, Primoz Skraba:
Persistent (Co)Homology in Matrix Multiplication Time. 68:1-68:16 - Dmitriy Morozov, Luis Scoccola:
Computing Betti Tables and Minimal Presentations of Zero-Dimensional Persistent Homology. 69:1-69:15 - Tim Ophelders, Anna Schenfisch
, Willem Sonke, Bettina Speckmann:
Computing Geomorphologically Salient Networks via Discrete Morse Theory. 70:1-70:17 - Lara Ost, Sebastiano Cultrera di Montesano, Herbert Edelsbrunner:
Banana Trees for the Persistence in Time Series Experimentally. 71:1-71:13 - Sharath Raghvendra, Pouyan Shirzadian, Rachita Sowle:
Geometric Bipartite Matching Based Exact Algorithms for Server Problems. 72:1-72:15 - Thomas Schibler, Subhash Suri, Jie Xue:
Embedding Graphs as Euclidean kNN-Graphs. 73:1-73:14 - Jack Stade:
The Point-Boundary Art Gallery Problem Is ∃ℝ-Hard. 74:1-74:23 - Elizaveta Streltsova, Uli Wagner:
Levels in Arrangements: Linear Relations, the g-Matrix, and Applications to Crossing Numbers. 75:1-75:18 - Andrew Suk, Ethan Patrick White:
A Note on the No-(d+2)-On-a-Sphere Problem. 76:1-76:8 - Subhash Suri, Jie Xue, Xiongxin Yang, Jiumu Zhu:
Dynamic Maximum Depth of Geometric Objects. 77:1-77:13 - Ivor van der Hoog, Lara Ost, Eva Rotenberg, Daniel Rutschmann:
Efficient Greedy Discrete Subtrajectory Clustering. 78:1-78:20 - Mikkel Abrahamsen, Florestan Brunck, Jacobus Conradi, Benedikt Kolbe, André Nusser:
Computing Non-Obtuse Triangulations with Few Steiner Points (CG Challenge). 79:1-79:13 - Taehoon Ahn, Jaegun Lee, Byeonguk Kang, Hwi Kim:
Incremental Algorithm and Local Search for Minimum Non-Obtuse Triangulations (CG Challenge). 80:1-80:8 - Matthias Artmann, Tobias Maurer, Andreas Padalkin, Daniel Warner, Christian Scheideler:
AmoebotSim 2.0: A Visual Simulation Environment for the Amoebot Model with Reconfigurable Circuits and Joint Movements (Media Exposition). 81:1-81:5 - Hridhaan Banerjee, Carmen Isabel Day, Auguste H. Gezalyan, Olga Golovatskaia, Megan Hunleth, Sarah Hwang, Nithin Parepally, Lucy Wang, David M. Mount:
Software for the Thompson and Funk Polygonal Geometry (Media Exposition). 82:1-82:6 - Klint Faber, Auguste H. Gezalyan, Adam Martinson, Aniruddh Mutnuru, Nithin Parepally, Ryan Parker, Mihil Sreenilayam, Aram Zaprosyan, David M. Mount:
French Onion Soup, Ipelets for Points and Polygons (Media Exposition). 83:1-83:6 - Simon D. Fink, Dominik Peters:
Incremental and Interactive PQ- and PC-Trees (Media Exposition). 84:1-84:4 - UML Modular Robotics Group, Hugo A. Akitaya, Andrew Clements
, Sam Downey, Jonathan Eisenbies, Soham Samanta, Gabriel Shahrouzi, Frederick Stock:
Finding Shortest Reconfiguration Sequences for Modular Robots (Media Exposition). 85:1-85:5

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