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Cuts and decompositions: algorithms and combinatorial properties

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

On 3-Coloring of (2P4, C5 )-Free Graphs (opens in new window)

Author(s): Vít Jelínek, Tereza Klimošová, Tomáš Masařík, Jana Novotná, Aneta Pokorná
Published in: Algorithmica, Issue 84(6), 2022, Page(s) 1526–1547, ISSN 0178-4617
Publisher: Springer Verlag
DOI: 10.1007/s00453-022-00937-9

Decreasing the Maximum Average Degree by Deleting an Independent Set or a d-Degenerate Subgraph (opens in new window)

Author(s): Wojciech Nadara, Marcin Smulewicz
Published in: Electronic Journal of Combinatorics, Issue 10778926, 2022, Page(s) P1.49, ISSN 1077-8926
Publisher: Electronic Journal of Combinatorics
DOI: 10.37236/9455

Packing Directed Cycles Quarter- and Half-Integrally (opens in new window)

Author(s): Tomáš Masařík, Irene Muzi, Marcin Pilipczuk, Paweł Rzążewski, Manuel Sorge
Published in: Combinatorica, 2022, ISSN 0209-9683
Publisher: Springer Verlag
DOI: 10.1007/s00493-021-4743-y

On objects dual to tree-cut decompositions (opens in new window)

Author(s): Lukasz Bozyk, Oscar Defrain, Karolina Okrasa, Michal Pilipczuk
Published in: Journal of Combinatorial Theory, Series B, Issue 00958956, 2022, Page(s) 401-428, ISSN 0095-8956
Publisher: Academic Press
DOI: 10.1016/j.jctb.2022.07.009

On Supereulerian 2-Edge-Coloured Graphs (opens in new window)

Author(s): Jørgen Bang-Jensen, Thomas Bellitto, Anders Yeo
Published in: Graphs and Combinatorics, 2021, ISSN 0911-0119
Publisher: Springer Verlag
DOI: 10.1007/s00373-021-02377-8

Degeneracy of P_t-free and C_>=t-free graphs with no large complete bipartite subgraphs (opens in new window)

Author(s): Marthe Bonamy, Nicolas Bousquet, Michał Pilipczuk, Paweł Rzążewski, Stephan Thomasse, Bartosz Walczak
Published in: Journal of Combinatorial Theory, Series B, Issue 152, 2022, Page(s) 353-378, ISSN 0095-8956
Publisher: Academic Press
DOI: 10.1016/j.jctb.2021.10.005

Randomized Contractions Meet Lean Decompositions (opens in new window)

Author(s): Marek Cygan, Paweł Komosa, Daniel Lokshtanov, Marcin Pilipczuk, Michał Pilipczuk, Saket Saurabh, Magnus Wahlström
Published in: ACM Transactions on Algorithms, Issue 17/1, 2021, Page(s) 1-30, ISSN 1549-6325
Publisher: Association for Computing Machinary, Inc.
DOI: 10.1145/3426738

Improved Bounds for the Excluded-Minor Approximation of Treedepth (opens in new window)

Author(s): Wojciech Czerwiński, Wojciech Nadara, Marcin Pilipczuk
Published in: SIAM Journal on Discrete Mathematics, Issue 35/2, 2021, Page(s) 934-947, ISSN 0895-4801
Publisher: Society for Industrial and Applied Mathematics
DOI: 10.1137/19m128819x

Jones' Conjecture in Subcubic Graphs (opens in new window)

Author(s): Marthe Bonamy, François Dross, Tomás Masarík, Andrea Munaro, Wojciech Nadara, Marcin Pilipczuk, Michal Pilipczuk
Published in: Electron. J. Comb., Issue 28(4), 2021, Page(s) P4.5, ISSN 1077-8926
Publisher: Electronic Journal of Combinatorics
DOI: 10.37236/9192

Designing RNA Secondary Structures Is Hard (opens in new window)

Author(s): Édouard Bonnet, Paweł Rzążewski, Florian Sikora
Published in: Journal of Computational Biology, Issue 27/3, 2020, Page(s) 302-316, ISSN 1557-8666
Publisher: Mary Ann Liebert, Inc.
DOI: 10.1089/cmb.2019.0420

Constant Congestion Brambles in Directed Graphs (opens in new window)

Author(s): Tomás Masarík, Marcin Pilipczuk, Pawel Rzazewski, Manuel Sorge
Published in: SIAM Journal on Discrete Mathematics, Issue 36(2), 2022, Page(s) 922-938, ISSN 0895-4801
Publisher: Society for Industrial and Applied Mathematics
DOI: 10.1137/21m1417661

Your rugby mates don't need to know your colleagues: Triadic closure with edge colors (opens in new window)

Author(s): Laurent Bulteau, Niels Grüttemeier, Christian Komusiewicz, Manuel Sorge
Published in: Journal of Computer and System Sciences, Issue 120, 2021, Page(s) 75-96, ISSN 0022-0000
Publisher: Academic Press
DOI: 10.1016/j.jcss.2021.03.001

An Improved FPT Algorithm for Independent Feedback Vertex Set (opens in new window)

Author(s): Shaohua Li, Marcin Pilipczuk
Published in: Theory of Computing Systems, Issue 64/8, 2020, Page(s) 1317-1330, ISSN 1432-4350
Publisher: Springer Verlag
DOI: 10.1007/s00224-020-09973-w

Constant Congestion Brambles (opens in new window)

Author(s): Meike Hatzel, Pawel Komosa, Marcin Pilipczuk, Manuel Sorge
Published in: Discrete Mathematics & Theoretical Computer Science, Issue 13658050, 2022, ISSN 1365-8050
Publisher: Maison de l'informatique et des mathematiques discretes
DOI: 10.46298/dmtcs.6699

Exact and approximation algorithms for sensor placement against DDoS attacks (opens in new window)

Author(s): Konstanty Junosza-Szaniawski, Dariusz Nogalski, Paweł Rzążewski
Published in: International Journal of Applied Mathematics and Computer Science, Issue 32(1), 2022, Page(s) 35-49, ISSN 1641-876X
Publisher: Technical University Press
DOI: 10.34768/amcs-2022-0004

On the Maximum Weight Independent Set Problem in Graphs without Induced Cycles of Length at Least Five (opens in new window)

Author(s): Maria Chudnovsky, Marcin Pilipczuk, Michał Pilipczuk, Stéphan Thomassé
Published in: SIAM Journal on Discrete Mathematics, Issue 34/2, 2020, Page(s) 1472-1483, ISSN 0895-4801
Publisher: Society for Industrial and Applied Mathematics
DOI: 10.1137/19m1249473

Flexibility of Planar Graphs -- Sharpening the Tools to Get Lists of Size Four (opens in new window)

Author(s): Ilkyoo Choi, Felix Christian Clemen, Michael Ferrara, Paul Horn, Fuhong Ma, Tomáš Masařík
Published in: Discrete Applied Mathematics, Issue 306, 2022, Page(s) 120-132, ISSN 0166-218X
Publisher: Elsevier BV
DOI: 10.1016/j.dam.2021.09.021

Covering Minimal Separators and Potential Maximal Cliques in $P_t$-Free Graphs (opens in new window)

Author(s): Andrzej Grzesik, Tereza Klimošová, Marcin Pilipczuk, Michał Pilipczuk
Published in: The Electronic Journal of Combinatorics, Issue 28/1, 2021, ISSN 1077-8926
Publisher: Electronic Journal of Combinatorics
DOI: 10.37236/9473

Polynomial Treedepth Bounds in Linear Colorings (opens in new window)

Author(s): Jeremy Kun, Michael P. O’Brien, Marcin Pilipczuk, Blair D. Sullivan
Published in: Algorithmica, Issue 83/1, 2021, Page(s) 361-386, ISSN 0178-4617
Publisher: Springer Verlag
DOI: 10.1007/s00453-020-00760-0

Two lower bounds for p-centered colorings (opens in new window)

Author(s): Loïc Dubois, Gwenaël Joret, Guillem Perarnau, Marcin Pilipczuk, François Pitois
Published in: Discrete Mathematics & Theoretical Computer Science, Issue 22(4), 2020, ISSN 1365-8050
Publisher: Maison de l'informatique et des mathematiques discretes
DOI: 10.23638/dmtcs-22-4-9

Solving Partition Problems Almost Always Requires Pushing Many Vertices Around (opens in new window)

Author(s): Iyad Kanj, Christian Komusiewicz, Manuel Sorge, Erik Jan van Leeuwen
Published in: SIAM Journal on Discrete Mathematics, Issue 34/1, 2020, Page(s) 640-681, ISSN 0895-4801
Publisher: Society for Industrial and Applied Mathematics
DOI: 10.1137/19m1239362

Vertex Deletion into Bipartite Permutation Graphs (opens in new window)

Author(s): Lukasz Bozyk, Jan Derbisz, Tomasz Krawczyk, Jana Novotná, Karolina Okrasa
Published in: Algorithmica, Issue 84(8), 2022, Page(s) 2271-2291, ISSN 0178-4617
Publisher: Springer Verlag
DOI: 10.1007/s00453-021-00923-7

U-Bubble Model for Mixed Unit Interval Graphs and Its Applications: The MaxCut Problem Revisited (opens in new window)

Author(s): Jan Kratochvíl, Tomás Masarík, Jana Novotná
Published in: Algorithmica, Issue 83(12), 2021, Page(s) 3649–368, ISSN 0178-4617
Publisher: Springer Verlag
DOI: 10.1007/s00453-021-00837-4

Coloring squares of planar graphs with small maximum degree (opens in new window)

Author(s): Mateusz Krzyziński, Paweł Rzążewski, Szymon Tur
Published in: Discussiones Mathematicae Graph Theory, 2022, ISSN 1234-3099
Publisher: Technical University Press
DOI: 10.7151/dmgt.2472

Efficient algorithms for measuring the funnel-likeness of DAGs (opens in new window)

Author(s): Marcelo Garlet Millani, Hendrik Molter, Rolf Niedermeier, Manuel Sorge
Published in: Journal of Combinatorial Optimization, Issue 39/1, 2020, Page(s) 216-245, ISSN 1382-6905
Publisher: Kluwer Academic Publishers
DOI: 10.1007/s10878-019-00464-4

Many-visits TSP revisited (opens in new window)

Author(s): Lukasz Kowalik, Shaohua Li, Wojciech Nadara, Marcin Smulewicz, Magnus Wahlström
Published in: J. Comput. Syst. Sci., Issue 124, 2022, Page(s) 112-128, ISSN 0022-0000
Publisher: Academic Press
DOI: 10.1016/j.jcss.2021.09.007

Polynomial-time Algorithm for Maximum Weight Independent Set on P6-free Graphs (opens in new window)

Author(s): Andrzej Grzesik, Tereza Klimosová, Marcin Pilipczuk, Michal Pilipczuk
Published in: ACM Transactions on Algorithms, Issue 18(1), 2022, Page(s) 4:1-4:57, ISSN 1549-6325
Publisher: Association for Computing Machinary, Inc.
DOI: 10.1145/3414473

Completeness for the Complexity Class ∀∃R and Area-Universality (opens in new window)

Author(s): Michael Gene Dobbins, Linda Kleist, Tillmann Miltzow, Paweł Rzążewski
Published in: Discrete & Computational Geometry, 2022, ISSN 0179-5376
Publisher: Springer Verlag
DOI: 10.1007/s00454-022-00381-0

Computing the best-case energy complexity of satisfying assignments in monotone circuits (opens in new window)

Author(s): Janio Carlos Nascimento Silva, Uéverton S. Souza
Published in: Theoretical Computer Science, Issue 932, 2022, Page(s) 41-55, ISSN 0304-3975
Publisher: Elsevier BV
DOI: 10.1016/j.tcs.2022.08.005

Subexponential-Time Algorithms for Maximum Independent Set in $$P_t$$Pt-Free and Broom-Free Graphs (opens in new window)

Author(s): Gábor Bacsó, Daniel Lokshtanov, Dániel Marx, Marcin Pilipczuk, Zsolt Tuza, Erik Jan van Leeuwen
Published in: Algorithmica, 2018, ISSN 0178-4617
Publisher: Springer Verlag
DOI: 10.1007/s00453-018-0479-5

An Exponential Lower Bound for Cut Sparsifiers in Planar Graphs (opens in new window)

Author(s): Nikolai Karpov, Marcin Pilipczuk, Anna Zych-Pawlewicz
Published in: Algorithmica, 2018, ISSN 0178-4617
Publisher: Springer Verlag
DOI: 10.1007/s00453-018-0504-8

Assessing the Computational Complexity of Multi-Layer Subgraph Detection

Author(s): Robert Bredereck, Christian Komusiewicz, Stefan Kratsch, Hendrik Molter, Rolf Niedermeier, Manuel Sorge
Published in: Network Science, 2018, ISSN 2050-1242
Publisher: Cambridge University Press

Caterpillars in Erdős–Hajnal (opens in new window)

Author(s): Anita Liebenau, Marcin Pilipczuk, Paul Seymour, Sophie Spirkl
Published in: Journal of Combinatorial Theory, Series B, 2018, ISSN 0095-8956
Publisher: Academic Press
DOI: 10.1016/j.jctb.2018.09.002

On the Erd\H{o}s-P\'osa property for immersions and topological minors in tournaments (opens in new window)

Author(s): Bożyk, Łukasz; Pilipczuk, Michał
Published in: Discrete Mathematics & Theoretical Computer Science, Issue 24 no. 1, 2022, ISSN 1365-8050
Publisher: Maison de l'informatique et des mathematiques discretes
DOI: 10.46298/dmtcs.7099

A Double Exponential Lower Bound for the Distinct Vectors Problem (opens in new window)

Author(s): Marcin Pilipczuk, Manuel Sorge
Published in: Discrete Mathematics & Theoretical Computer Science, Issue 22(4), 2020, ISSN 1365-8050
Publisher: Maison de l'informatique et des mathematiques discretes
DOI: 10.23638/dmtcs-22-4-7

(Theta, triangle)‐free and (even hole, K4)‐free graphs. Part 2: Bounds on treewidth (opens in new window)

Author(s): Marcin Pilipczuk, Ni Luh Dewi Sintiari, Stéphan Thomassé, Nicolas Trotignon
Published in: Journal of Graph Theory, Issue 97/4, 2021, Page(s) 624-641, ISSN 0364-9024
Publisher: John Wiley & Sons Inc.
DOI: 10.1002/jgt.22675

Multi-budgeted Directed Cuts (opens in new window)

Author(s): Stefan Kratsch, Shaohua Li, Dániel Marx, Marcin Pilipczuk, Magnus Wahlström
Published in: Algorithmica, Issue 82/8, 2020, Page(s) 2135-2155, ISSN 0178-4617
Publisher: Springer Verlag
DOI: 10.1007/s00453-019-00609-1

On the density of sets of the Euclidean plane avoiding distance 1 (opens in new window)

Author(s): Thomas Bellitto, Arnaud Pêcher, Antoine Sédillot
Published in: Discrete Mathematics & Theoretical Computer Science, Issue vol. 23 no. 1/Combinatorics, 2021, ISSN 1365-8050
Publisher: Maison de l'informatique et des mathematiques discretes
DOI: 10.46298/dmtcs.5153

Tuza's Conjecture for Threshold Graphs (opens in new window)

Author(s): Marthe Bonamy, Łukasz Bożyk, Andrzej Grzesik, Meike Hatzel, Tomáš Masařík, Jana Novotná, Karolina Okrasa
Published in: Discrete Mathematics & Theoretical Computer Science, Issue 24(1), 2022, ISSN 1365-8050
Publisher: Maison de l'informatique et des mathematiques discretes
DOI: 10.46298/dmtcs.7660

Linear Bounds for Cycle-free Saturation Games (opens in new window)

Author(s): Sean English, Tomáš Masařík, Grace McCourt, Erin Meger, Michael S. Ross, Sam Spiro
Published in: Electronic Journal of Combinatorics, Issue 29(3), 2022, ISSN 1077-8926
Publisher: Electronic Journal of Combinatorics
DOI: 10.37236/10808

Subexponential-Time Algorithms for Finding Large Induced Sparse Subgraphs (opens in new window)

Author(s): Jana Novotná, Karolina Okrasa, Michał Pilipczuk, Paweł Rzążewski, Erik Jan van Leeuwen, Bartosz Walczak
Published in: Algorithmica, Issue 83/8, 2021, Page(s) 2634-2650, ISSN 0178-4617
Publisher: Springer Verlag
DOI: 10.1007/s00453-020-00745-z

A Subexponential Parameterized Algorithm for Directed Subset Traveling Salesman Problem on Planar Graphs (opens in new window)

Author(s): Dániel Marx, Marcin Pilipczuk, Michal Pilipczuk
Published in: SIAM Journal on Computing, Issue 51(2), 2022, Page(s) 254-289, ISSN 0097-5397
Publisher: Society for Industrial and Applied Mathematics
DOI: 10.1137/19m1304088

Counterexamples to Thomassen's Conjecture on Decomposition of Cubic Graphs (opens in new window)

Author(s): Thomas Bellitto, Tereza Klimosová, Martin Merker, Marcin Witkowski, Yelena Yuditsky
Published in: Graphs and Combinatorics, Issue 37, 2021, Page(s) 2595–2599, ISSN 0911-0119
Publisher: Springer Verlag
DOI: 10.1007/s00373-021-02380-z

EPTAS and Subexponential Algorithm for Maximum Clique on Disk and Unit Ball Graphs (opens in new window)

Author(s): Marthe Bonamy, Édouard Bonnet, Nicolas Bousquet, Pierre Charbit, Panos Giannopoulos, Eun Jung Kim, Paweł Rzążewski, Florian Sikora, Stéphan Thomassé
Published in: Journal of the ACM, Issue 68/2, 2021, Page(s) 1-38, ISSN 0004-5411
Publisher: Association for Computing Machinary, Inc.
DOI: 10.1145/3433160

Threshold Treewidth and Hypertree Width (opens in new window)

Author(s): Robert Ganian, Andre Schidler, Manuel Sorge, Stefan Szeider
Published in: Journal of Artificial Intelligence Research, Issue 10769757, 2022, ISSN 1076-9757
Publisher: Morgan Kaufmann Publishers, Inc.
DOI: 10.1613/jair.1.13661

Diversity of Solutions: An Exploration Through the Lens of Fixed-Parameter Tractability Theory (opens in new window)

Author(s): Julien Baste, Michael R. Fellows, Lars Jaffke, Tomáš Masařík, Mateus de Oliveira Oliveira, Geevarghese Philip, Frances A. Rosamond
Published in: Artificial Intelligence, Issue 303, 2022, ISSN 0004-3702
Publisher: Elsevier BV
DOI: 10.1016/j.artint.2021.103644

Fine-Grained Complexity of the Graph Homomorphism Problem for Bounded-Treewidth Graphs (opens in new window)

Author(s): Karolina Okrasa, Paweł Rzaͅżewski
Published in: SIAM Journal on Computing, Issue 50/2, 2021, Page(s) 487-508, ISSN 0097-5397
Publisher: Society for Industrial and Applied Mathematics
DOI: 10.1137/20m1320146

Matchings under Preferences: Strength of Stability and Tradeoffs (opens in new window)

Author(s): Jiehua Chen, Piotr Skowron, Manuel Sorge
Published in: ACM Transactions on Economics and Computation, Issue 21678375, 2021, Page(s) 20:1-55, ISSN 2167-8375
Publisher: ACM
DOI: 10.1145/3485000

h -Index manipulation by undoing merges (opens in new window)

Author(s): René van Bevern, Christian Komusiewicz, Hendrik Molter, Rolf Niedermeier, Manuel Sorge, Toby Walsh
Published in: Quantitative Science Studies, Issue 1/4, 2020, Page(s) 1529-1552, ISSN 2641-3337
Publisher: MIT
DOI: 10.1162/qss_a_00093

The Fine-Grained Complexity of Graph Homomorphism Parameterized by Clique-Width (opens in new window)

Author(s): Robert Ganian, Thekla Hamm, Viktoriia Korchemna, Karolina Okrasa, Kirill Simonov
Published in: 49th International Colloquium on Automata, Languages, and Programming, ICALP 2022, 2022, Page(s) 66:1--66:20
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.icalp.2022.66

U-Bubble Model for Mixed Unit Interval Graphs and Its Applications: The MaxCut Problem Revisited (opens in new window)

Author(s): Jan Kratochvíl, Tomás Masarík, Jana Novotná
Published in: 45th International Symposium on Mathematical Foundations of Computer Science (MFCS 2020), 2020, Page(s) 57:1--57:14
Publisher: Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.mfcs.2020.57

Tuza’s Conjecture for Threshold Graphs (opens in new window)

Author(s): Marthe Bonamy, Łukasz Bożyk, Andrzej Grzesik, Meike Hatzel, Tomáš Masařík, Jana Novotná, Karolina Okrasa
Published in: Extended Abstracts EuroComb 2021 - European Conference on Combinatorics, Graph Theory and Applications, Issue 14, 2021, Page(s) 765-771, ISBN 978-3-030-83822-5
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-83823-2_122

Close Relatives (Of Feedback Vertex Set), Revisited (opens in new window)

Author(s): Hugo Jacob, Thomas Bellitto, Oscar Defrain, Marcin Pilipczuk
Published in: 16th International Symposium on Parameterized and Exact Computation, IPEC 2021, 2021, Page(s) 21:1-21:15
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.ipec.2021.21

Vertex Deletion into Bipartite Permutation Graphs (opens in new window)

Author(s): Lukasz Bozyk, Jan Derbisz, Tomasz Krawczyk, Jana Novotná, Karolina Okrasa
Published in: 15th International Symposium on Parameterized and Exact Computation (IPEC 2020), 2020, Page(s) 5:1--5:16
Publisher: Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.ipec.2020.5

On 3-Coloring of $$(2P_4,C_5)$$-Free Graphs (opens in new window)

Author(s): Vít Jelínek, Tereza Klimošová, Tomáš Masařík, Jana Novotná, Aneta Pokorná
Published in: Graph-Theoretic Concepts in Computer Science - 47th International Workshop, WG 2021, Warsaw, Poland, June 23–25, 2021, Revised Selected Papers, Issue 12911, 2021, Page(s) 388-401, ISBN 978-3-030-86837-6
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-86838-3_30

Compact Representation for Matrices of Bounded Twin-Width (opens in new window)

Author(s): Michal Pilipczuk, Marek Sokolowski, Anna Zych-Pawlewicz
Published in: 39th International Symposium on Theoretical Aspects of Computer Science, STACS 2022, 2022, Page(s) 52:1--52:14
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.stacs.2022.52

Approximating Pathwidth for Graphs of Small Treewidth (opens in new window)

Author(s): Carla Groenland, Gwenaël Joret, Wojciech Nadara, Bartosz Walczak
Published in: Proceedings of the 2021 ACM-SIAM Symposium on Discrete Algorithms (SODA), 2021, Page(s) 1965-1976, ISBN 978-1-61197-646-5
Publisher: Society for Industrial and Applied Mathematics
DOI: 10.1137/1.9781611976465.117

Efficient fully dynamic elimination forests with applications to detecting long paths and cycles (opens in new window)

Author(s): Jiehua Chen, Wojciech Czerwiński, Yann Disser, Andreas Emil Feldmann, Danny Hermelin, Wojciech Nadara, Marcin Pilipczuk, Michał Pilipczuk, Manuel Sorge, Bartłomiej Wróblewski, Anna Zych-Pawlewicz
Published in: Proceedings of the 2021 ACM-SIAM Symposium on Discrete Algorithms (SODA), 2021, Page(s) 796-809, ISBN 978-1-61197-646-5
Publisher: Society for Industrial and Applied Mathematics
DOI: 10.1137/1.9781611976465.50

Cluster Editing Parameterized Above Modification-Disjoint P3-Packings (opens in new window)

Author(s): Shaohua Li, Marcin Pilipczuk, Manuel Sorge
Published in: 38th International Symposium on Theoretical Aspects of Computer Science, STACS 2021, 2021, Page(s) 49:1--49:16
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.stacs.2021.49

Approximation Algorithms for Steiner Tree Based on Star Contractions: A Unified View (opens in new window)

Author(s): Radek Hušek, Dušan Knop,Tomáš Masařík
Published in: 15th International Symposium on Parameterized and Exact Computation (IPEC 2020), 2020, Page(s) 16:1--16:18
Publisher: Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.ipec.2020.16

On the Minimum Cycle Cover Problem on Graphs with Bounded Co-degeneracy (opens in new window)

Author(s): Gabriel L. Duarte, Uéverton S. Souza
Published in: Graph-Theoretic Concepts in Computer Science - 48th International Workshop, WG 2022, Issue 13453, 2022, Page(s) 187-200, ISBN 978-3-031-15913-8
Publisher: Springer
DOI: 10.1007/978-3-031-15914-5_14

Hardness of Metric Dimension in Graphs of Constant Treewidth (opens in new window)

Author(s): Shaohua Li, Marcin Pilipczuk
Published in: 16th International Symposium on Parameterized and Exact Computation, IPEC 2021, 2021, Page(s) 24:1-24:13
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.ipec.2021.24

Fixed-parameter tractability of graph isomorphism in graphs with an excluded minor (opens in new window)

Author(s): Daniel Lokshtanov, Marcin Pilipczuk, Michal Pilipczuk, Saket Saurabh
Published in: STOC'22: 54th Annual ACM SIGACT Symposium on Theory of Computing, 2022, Page(s) 914-923
Publisher: ACM
DOI: 10.1145/3519935.3520076

The PACE 2020 Parameterized Algorithms and Computational Experiments Challenge: Treedepth (opens in new window)

Author(s): Lukasz Kowalik, Marcin Mucha, Wojciech Nadara, Marcin Pilipczuk, Manuel Sorge, Piotr Wygocki
Published in: 15th International Symposium on Parameterized and Exact Computation, IPEC 2020, 2020, Page(s) 37:1--37:18
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.ipec.2020.37

Computing List Homomorphisms in Geometric Intersection Graphs (opens in new window)

Author(s): Sándor Kisfaludi-Bak, Karolina Okrasa, Paweł Rzążewski
Published in: Graph-Theoretic Concepts in Computer Science - 48th International Workshop, WG 2022, Issue 13453, 2022, Page(s) 313-327
Publisher: Springer
DOI: 10.1007/978-3-031-15914-5_23

Diversity of Solutions: An Exploration Through the Lens of Fixed-Parameter Tractability Theory (opens in new window)

Author(s): Julien Baste, Michael R. Fellows, Lars Jaffke, Tomáš Masařík, Mateus de Oliveira Oliveira, Geevarghese Philip, Frances A. Rosamond
Published in: Proceedings of the Twenty-Ninth International Joint Conference on Artificial Intelligence, 2020, Page(s) 1119-1125, ISBN 978-0-9992411-6-5
Publisher: International Joint Conferences on Artificial Intelligence Organization
DOI: 10.24963/ijcai.2020/156

Threshold Treewidth and Hypertree Width (opens in new window)

Author(s): Robert Ganian, Andre Schidler, Manuel Sorge, Stefan Szeider
Published in: Proceedings of the Twenty-Ninth International Joint Conference on Artificial Intelligence, 2020, Page(s) 1898-1904, ISBN 978-0-9992411-6-5
Publisher: International Joint Conferences on Artificial Intelligence Organization
DOI: 10.24963/ijcai.2020/263

Complexity of the List Homomorphism Problem in Hereditary Graph Classes (opens in new window)

Author(s): Karolina Okrasa, Paweł Rzążewski
Published in: 38th International Symposium on Theoretical Aspects of Computer Science (STACS 2021), 2021, Page(s) 54:1--54:17
Publisher: Schloss Dagstuhl -- Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.stacs.2021.54

Determining 4-Edge-Connected Components in Linear Time (opens in new window)

Author(s): Wojciech Nadara, Mateusz Radecki, Marcin Smulewicz, Marek Sokolowski
Published in: 29th Annual European Symposium on Algorithms (ESA 2021), 2021, Page(s) 71:1--71:15
Publisher: Schloss Dagstuhl -- Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.esa.2021.71

Constant Congestion Brambles in Directed Graphs (opens in new window)

Author(s): Tomáš Masařík, Marcin Pilipczuk, Paweł Rzążewski, Manuel Sorge
Published in: Extended Abstracts EuroComb 2021 - European Conference on Combinatorics, Graph Theory and Applications, Issue 14, 2021, Page(s) 318-324, ISBN 978-3-030-83822-5
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-83823-2_50

Induced subgraphs of bounded treewidth and the container method (opens in new window)

Author(s): Tara Abrishami, Maria Chudnovsky, Marcin Pilipczuk, Paweł Rzążewski, Paul Seymour
Published in: Proceedings of the 2021 ACM-SIAM Symposium on Discrete Algorithms (SODA), 2021, Page(s) 1948-1964, ISBN 978-1-61197-646-5
Publisher: Society for Industrial and Applied Mathematics
DOI: 10.1137/1.9781611976465.116

Perfect Matching Cuts Partitioning a Graph into Complementary Subgraphs (opens in new window)

Author(s): Diane Castonguay, Erika M. M. Coelho, Hebert Coelho, Julliano R. Nascimento, Uéverton S. Souza
Published in: Combinatorial Algorithms - 33rd International Workshop, IWOCA 2022, Issue 13270, 2022, Page(s) 257-269
Publisher: Springer
DOI: 10.1007/978-3-031-06678-8_19

Bounding Twin-Width for Bounded-Treewidth Graphs, Planar Graphs, and Bipartite Graphs (opens in new window)

Author(s): Hugo Jacob, Marcin Pilipczuk
Published in: Graph-Theoretic Concepts in Computer Science - 48th International Workshop, WG 2022, 2022, Page(s) 287-299
Publisher: Springer
DOI: 10.1007/978-3-031-15914-5_21

Finding large induced sparse subgraphs in c >t -free graphs in quasipolynomial time (opens in new window)

Author(s): Peter Gartland, Daniel Lokshtanov, Marcin Pilipczuk, Michał Pilipczuk, Paweł Rzążewski
Published in: Proceedings of the 53rd Annual ACM SIGACT Symposium on Theory of Computing, 2021, Page(s) 330-341, ISBN 9781450380539
Publisher: ACM
DOI: 10.1145/3406325.3451034

On Directed Feedback Vertex Set parameterized by treewidth (opens in new window)

Author(s): Bonamy, Marthe; Kowalik, Łukasz; Nederlof, Jesper; Pilipczuk, Michał; Socała, Arkadiusz; Wrochna, Marcin
Published in: Graph-Theoretic Concepts in Computer Science - 44th International Workshop, WG 2018, LNCS 11159, 2018, Page(s) 65-78
Publisher: Springer
DOI: 10.1007/978-3-030-00256-5_6

On subexponential parameterized algorithms for Steiner Tree and Directed Subset TSP on planar graphs (opens in new window)

Author(s): Marx, Dániel; Pilipczuk, Marcin; Pilipczuk, Michał
Published in: 2018 IEEE 59th Annual Symposium on Foundations of Computer Science, 2018, Page(s) 474-484
Publisher: IEEE
DOI: 10.1109/FOCS.2018.00052

An improved FPT algorithm for Independent Feedback Vertex Set (opens in new window)

Author(s): Li, Shaohua; Pilipczuk, Marcin
Published in: Graph-Theoretic Concepts in Computer Science - 44th International Workshop, WG 2018, LNCS 111159, 2018
Publisher: Springer
DOI: 10.1007/978-3-030-00256-5_28

Solving Partition Problems Almost Always Requires Pushing Many Vertices Around (opens in new window)

Author(s): Iyad A. Kanj, Christian Komusiewicz, Manuel Sorge, Erik Jan van Leeuwen
Published in: Proceedings of the 26th Annual European Symposium on Algorithms (ESA '18), 2018, Page(s) 51:1-51:14
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
DOI: 10.4230/LIPIcs.ESA.2018.51

Cluster Editing in Multi-Layer and Temporal Graphs

Author(s): Jiehua Chen, Ondrej Suchy, Hendrik Molter, Manuel Sorge
Published in: Proceedings of the 29th International Symposium on Algorithms and Computation (ISAAC'18), 2018
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik

Flexibility of planar graphs without 4-cycles

Author(s): Masařík, Tomáš
Published in: Acta Mathematica Universitatis Comenianae, Issue 88(3), 2019, Page(s) 935-940
Publisher: Charles University

Multi-budgeted directed cuts (opens in new window)

Author(s): Kratsch, Stefan; Li, Shaohua; Marx, Dániel; Pilipczuk, Marcin; Wahlström, Magnus
Published in: 13th International Symposium on Parameterized and Exact Computation (IPEC 2018), 2018, Page(s) 18:1-18:14
Publisher: LIPIcs
DOI: 10.4230/lipics.ipec.2018.18

Matchings under Preferences - Strength of Stability and Trade-Offs (opens in new window)

Author(s): Jiehua Chen, Piotr Skowron, Manuel Sorge
Published in: Proceedings of the 2019 ACM Conference on Economics and Computation - EC '19, 2019, Page(s) 41-59, ISBN 9781-450367929
Publisher: ACM Press
DOI: 10.1145/3328526.3329555

On Computing Centroids According to the $p$-Norms of Hamming Distance Vectors (opens in new window)

Author(s): Chen, Jiehua; Hermelin, Danny; Sorge, Manuel
Published in: 27th Annual European Symposium on Algorithms (ESA '19), 2019, Page(s) 28:1--28:16
Publisher: LIPIcs
DOI: 10.4230/lipics.esa.2019.28

Improved Bounds for the Excluded-Minor Approximation of Treedepth (opens in new window)

Author(s): Wojciech Czerwinski, Wojciech Nadara, Marcin Pilipczuk
Published in: 27th Annual European Symposium on Algorithms (ESA 2019), 2019, Page(s) 34:1-34:13
Publisher: LIPIcs
DOI: 10.4230/lipics.esa.2019.34

Packing Directed Circuits Quarter-Integrally (opens in new window)

Author(s): Tomás Masarík, Irene Muzi, Marcin Pilipczuk, Paweł Rzążewski, Manuel Sorge
Published in: 27th Annual European Symposium on Algorithms (ESA 2019), 2019, Page(s) 72:1-72:13
Publisher: LIPIcs
DOI: 10.4230/lipics.esa.2019.72

Efficient Approximation Schemes for Uniform-Cost Clustering Problems in Planar Graphs (opens in new window)

Author(s): Vincent Cohen-Addad, Marcin Pilipczuk, Michał Pilipczuk
Published in: 27th Annual European Symposium on Algorithms (ESA 2019), 2019, Page(s) 33:1-33:14
Publisher: LIPIcs
DOI: 10.4230/lipics.esa.2019.33

Quasi-polynomial time approximation schemes for the Maximum Weight Independent Set Problem in H-free graphs

Author(s): Maria Chudnovsky, Marcin Pilipczuk, Michal Pilipczuk, Stéphan Thomassé
Published in: ACM-SIAM Symposium on Discrete Algorithms (SODA20), 2020
Publisher: ACM

A Polynomial-Time Approximation Scheme for Facility Location on Planar Graphs

Author(s): Vincent Cohen-Addad, Marcin Pilipczuk, Michał Pilipczuk
Published in: 60th Annual IEEE Symposium on Foundations of Computer Science, 2019
Publisher: IEEE

Algorithmic Properties of Sparse Digraphs (opens in new window)

Author(s): Stephan Kreutzer, Irene Muzi, Patrice Ossona de Mendez, Roman Rabinovich, Sebastian Siebertz
Published in: 36th International Symposium on Theoretical Aspects of Computer Science (STACS 2019), 2019, Page(s) 46:1-46:20
Publisher: LIPIcs
DOI: 10.4230/lipics.stacs.2019.46

Representing Graphs and Hypergraphs by Touching Polygons in 3D

Author(s): William S. Evans, Pawel Rzazewski, Noushin Saeedi, Chan-Su Shin, Alexander Wolff
Published in: Graph Drawing 2019, 2019
Publisher: Springer

An Improved FPT Algorithm for the Flip Distance Problem (opens in new window)

Author(s): Shaohua Li, Qilong Feng, Xiangzhong Meng, Jianxin Wang
Published in: 42nd International Symposium on Mathematical Foundations of Computer Science, MFCS 2017, 2017
Publisher: LIPIcs
DOI: 10.4230/lipics.mfcs.2017.65

The Complexity of Connectivity Problems in Forbidden-Transition Graphs And Edge-Colored Graphs (opens in new window)

Author(s): Thomas Bellitto, Shaohua Li, Karolina Okrasa, Marcin Pilipczuk, Manuel Sorge
Published in: 31st International Symposium on Algorithms and Computation, ISAAC 2020, Issue 181, 2020, Page(s) 59:1--59:15
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.isaac.2020.59

Sparsification Lower Bounds for List H-Coloring (opens in new window)

Author(s): Hubie Chen, Bart M. P. Jansen, Karolina Okrasa, Astrid Pieterse, Pawel Rzazewski
Published in: 31st International Symposium on Algorithms and Computation (ISAAC 2020), 2020, Page(s) 58:1--58:17
Publisher: Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.isaac.2020.58

Quasi-polynomial-time algorithm for Independent Set in Pt-free graphs via shrinking the space of induced paths (opens in new window)

Author(s): Marcin Pilipczuk, Michał Pilipczuk, Paweł Rzążewski
Published in: 4th Symposium on Simplicity in Algorithms, SOSA 2021, 2021, Page(s) 204--209, ISBN 978-1-61197-649-6
Publisher: SIAM
DOI: 10.1137/1.9781611976496.23

Reducing the Vertex Cover Number via Edge Contractions (opens in new window)

Author(s): Paloma T. Lima, Vinícius Fernandes dos Santos, Ignasi Sau, Uéverton S. Souza, Prafullkumar Tale
Published in: 47th International Symposium on Mathematical Foundations of Computer Science, MFCS 2022, Issue 241, 2022, Page(s) 69:1--69:14
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.mfcs.2022.69

Solving hard cut problems via flow-augmentation (opens in new window)

Author(s): Eun Jung Kim, Stefan Kratsch, Marcin Pilipczuk, Magnus Wahlström
Published in: Proceedings of the 2021 ACM-SIAM Symposium on Discrete Algorithms (SODA), 2021, Page(s) 149-168, ISBN 978-1-61197-646-5
Publisher: Society for Industrial and Applied Mathematics
DOI: 10.1137/1.9781611976465.11

Many Visits TSP Revisited (opens in new window)

Author(s): Lukasz Kowalik, Shaohua Li, Wojciech Nadara, Marcin Smulewicz, Magnus Wahlström
Published in: 28th Annual European Symposium on Algorithms (ESA 2020), 2020, Page(s) 66:1--66:22
Publisher: Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.esa.2020.66

Polynomial Kernel for Immersion Hitting in Tournaments (opens in new window)

Author(s): Łukasz Bożyk, Michał Pilipczuk
Published in: 30th Annual European Symposium on Algorithms (ESA 2022), Issue 244, 2022, Page(s) 26:1-26:17
Publisher: Schloss Dagstuhl -- Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.esa.2022.26

Computing Treedepth in Polynomial Space and Linear FPT Time (opens in new window)

Author(s): Wojciech Nadara, Michal Pilipczuk, Marcin Smulewicz
Published in: 30th Annual European Symposium on Algorithms, ESA 2022, 2022, Page(s) 79:1--79:14
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.esa.2022.79

Directed flow-augmentation (opens in new window)

Author(s): Eun Jung Kim, Stefan Kratsch, Marcin Pilipczuk, Magnus Wahlström
Published in: STOC'22: 54th Annual ACM SIGACT Symposium on Theory of Computing, 2022, Page(s) 938-947
Publisher: ACM
DOI: 10.1145/3519935.3520018

Optimal Discretization is Fixed-parameter Tractable (opens in new window)

Author(s): Stefan Kratsch, Tomáš Masařík, Irene Muzi, Marcin Pilipczuk, Manuel Sorge
Published in: Proceedings of the 2021 ACM-SIAM Symposium on Discrete Algorithms (SODA), 2021, Page(s) 1702-1719, ISBN 978-1-61197-646-5
Publisher: Society for Industrial and Applied Mathematics
DOI: 10.1137/1.9781611976465.103

Taming Graphs with No Large Creatures and Skinny Ladders (opens in new window)

Author(s): Jakub Gajarský, Lars Jaffke, Paloma T. Lima, Jana Novotná, Marcin Pilipczuk, Pawel Rzazewski, Uéverton S. Souza
Published in: 30th Annual European Symposium on Algorithms, ESA 2022, Issue 244, 2022, Page(s) 58:1-58:8
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.esa.2022.58

Max Weight Independent Set in Graphs with No Long Claws: An Analog of the Gyárfás' Path Argument (opens in new window)

Author(s): Konrad Majewski, Tomás Masarík, Jana Novotná, Karolina Okrasa, Marcin Pilipczuk, Pawel Rzazewski, Marek Sokolowski
Published in: 49th International Colloquium on Automata, Languages, and Programming, ICALP 2022, Issue 229, 2022, Page(s) 93:1-93:19
Publisher: Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.icalp.2022.93

Full Complexity Classification of the List Homomorphism Problem for Bounded-Treewidth Graphs (opens in new window)

Author(s): Karolina Okrasa, Marta Piecyk, Paweł Rzążewski
Published in: 28th Annual European Symposium on Algorithms (ESA 2020), 2020, Page(s) 74:1--74:24
Publisher: Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik
DOI: 10.4230/lipics.esa.2020.74

Your Rugby Mates Don’t Need to Know Your Colleagues: Triadic Closure with Edge Colors (opens in new window)

Author(s): Laurent Bulteau, Niels Grüttemeier, Christian Komusiewicz, Manuel Sorge
Published in: Algorithms and Complexity - 11th International Conference, CIAC 2019, Rome, Italy, May 27–29, 2019, Proceedings, Issue 11485, 2019, Page(s) 99-111, ISBN 978-3-030-17401-9
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-17402-6_9

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