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ORCIDStefan Kratsch
Person information
- affiliation: HU Berlin, Germany
- affiliation (former): TU Berlin, Germany
- affiliation (former): Max Planck Institute for Informatics, Saarbrücken, Germany
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2020 – today
- 2024
[j47]Eun Jung Kim
, Stefan Kratsch, Marcin Pilipczuk, Magnus Wahlström:
Flow-augmentation II: Undirected Graphs. ACM Trans. Algorithms 20(2): 12 (2024)- [c77]Narek Bojikian, Stefan Kratsch:
A Tight Monte-Carlo Algorithm for Steiner Tree Parameterized by Clique-Width. ICALP 2024: 29:1-29:18 - [i67]Narek Bojikian, Stefan Kratsch:
Tight Algorithm for Connected Odd Cycle Transversal Parameterized by Clique-width. CoRR abs/2402.08046 (2024) - [i66]Stefan Kratsch, Van Bang Le:
On polynomial kernelization for Stable Cutset. CoRR abs/2407.02086 (2024) - 2023
- [j46]Stefan Kratsch, Florian Nelles:
Efficient parameterized algorithms for computing all-pairs shortest paths. Discret. Appl. Math. 341: 102-119 (2023) - [c76]Falko Hegerfeld, Stefan Kratsch:
Tight Algorithms for Connectivity Problems Parameterized by Clique-Width. ESA 2023: 59:1-59:19 - [c75]Stefan Kratsch, Pascal Kunz:
Approximate Turing Kernelization and Lower Bounds for Domination Problems. IPEC 2023: 32:1-32:17 - [c74]Vera Chekan, Stefan Kratsch:
Tight Algorithmic Applications of Clique-Width Generalizations. MFCS 2023: 35:1-35:15 - [c73]Eun Jung Kim, Stefan Kratsch, Marcin Pilipczuk, Magnus Wahlström:
Flow-augmentation III: Complexity dichotomy for Boolean CSPs parameterized by the number of unsatisfied constraints. SODA 2023: 3218-3228 - [c72]Narek Bojikian, Vera Chekan, Falko Hegerfeld, Stefan Kratsch:
Tight Bounds for Connectivity Problems Parameterized by Cutwidth. STACS 2023: 14:1-14:16 - [c71]Falko Hegerfeld, Stefan Kratsch:
Tight Algorithms for Connectivity Problems Parameterized by Modular-Treewidth. WG 2023: 388-402 - [i65]Falko Hegerfeld, Stefan Kratsch:
Tight algorithms for connectivity problems parameterized by clique-width. CoRR abs/2302.03627 (2023) - [i64]Falko Hegerfeld, Stefan Kratsch:
Tight Algorithms for Connectivity Problems Parameterized by Modular-Treewidth. CoRR abs/2302.14128 (2023) - [i63]Stefan Kratsch, Pascal Kunz:
Approximate Turing kernelization and lower bounds for domination problems. CoRR abs/2307.02241 (2023) - [i62]Vera Chekan, Stefan Kratsch:
Tight Algorithmic Applications of Clique-Width Generalizations. CoRR abs/2307.04628 (2023) - [i61]Narek Bojikian, Stefan Kratsch:
A tight Monte-Carlo algorithm for Steiner Tree parameterized by clique-width. CoRR abs/2307.14264 (2023) - 2022
- [j45]Eva-Maria C. Hols, Stefan Kratsch, Astrid Pieterse:
Elimination Distances, Blocking Sets, and Kernels for Vertex Cover. SIAM J. Discret. Math. 36(3): 1955-1990 (2022) - [c70]Falko Hegerfeld, Stefan Kratsch:
Towards Exact Structural Thresholds for Parameterized Complexity. IPEC 2022: 17:1-17:20 - [c69]Eun Jung Kim, Stefan Kratsch, Marcin Pilipczuk, Magnus Wahlström:
Directed flow-augmentation. STOC 2022: 938-947 - [i60]Stefan Kratsch, Florian Nelles, Alexandre Simon:
On Triangle Counting Parameterized by Twin-Width. CoRR abs/2202.06708 (2022) - [i59]Eun Jung Kim, Stefan Kratsch, Marcin Pilipczuk, Magnus Wahlström:
Flow-augmentation III: Complexity dichotomy for Boolean CSPs parameterized by the number of unsatisfied constraints. CoRR abs/2207.07422 (2022) - [i58]Stefan Kratsch, Florian Nelles:
Efficient parameterized algorithms on graphs with heterogeneous structure: Combining tree-depth and modular-width. CoRR abs/2209.14429 (2022) - [i57]Narek Bojikian, Vera Chekan, Falko Hegerfeld, Stefan Kratsch:
Tight Bounds for Connectivity Problems Parameterized by Cutwidth. CoRR abs/2212.12385 (2022) - 2021
- [j44]Toni Böhnlein, Stefan Kratsch, Oliver Schaudt:
Revenue maximization in Stackelberg Pricing Games: beyond the combinatorial setting. Math. Program. 187(1): 653-695 (2021) - [c68]Eun Jung Kim, Stefan Kratsch, Marcin Pilipczuk, Magnus Wahlström:
Solving hard cut problems via flow-augmentation. SODA 2021: 149-168 - [c67]Stefan Kratsch, Tomás Masarík, Irene Muzi, Marcin Pilipczuk, Manuel Sorge:
Optimal Discretization is Fixed-parameter Tractable. SODA 2021: 1702-1719 - [i56]Falko Hegerfeld, Stefan Kratsch:
Towards exact structural thresholds for parameterized complexity. CoRR abs/2107.06111 (2021) - [i55]Eun Jung Kim, Stefan Kratsch, Marcin Pilipczuk, Magnus Wahlström:
Directed flow-augmentation. CoRR abs/2111.03450 (2021) - 2020
- [j43]Stefan Kratsch, Shaohua Li, Dániel Marx, Marcin Pilipczuk, Magnus Wahlström:
Multi-budgeted Directed Cuts. Algorithmica 82(8): 2135-2155 (2020) - [j42]Stefan Kratsch, Magnus Wahlström:
Representative Sets and Irrelevant Vertices: New Tools for Kernelization. J. ACM 67(3): 16:1-16:50 (2020) - [j41]Rayan Chikhi, Vladan Jovicic, Stefan Kratsch, Paul Medvedev, Martin Milanic, Sofya Raskhodnikova, Nithin Varma:
Bipartite graphs of small readability. Theor. Comput. Sci. 806: 402-415 (2020) - [c66]Eva-Maria C. Hols, Stefan Kratsch, Astrid Pieterse:
Approximate Turing Kernelization for Problems Parameterized by Treewidth. ESA 2020: 60:1-60:23 - [c65]Falko Hegerfeld, Stefan Kratsch:
Solving Connectivity Problems Parameterized by Treedepth in Single-Exponential Time and Polynomial Space. STACS 2020: 29:1-29:16 - [c64]Eva-Maria C. Hols, Stefan Kratsch, Astrid Pieterse:
Elimination Distances, Blocking Sets, and Kernels for Vertex Cover. STACS 2020: 36:1-36:14 - [c63]Stefan Kratsch, Florian Nelles:
Efficient Parameterized Algorithms for Computing All-Pairs Shortest Paths. STACS 2020: 38:1-38:15 - [e1]Fedor V. Fomin, Stefan Kratsch, Erik Jan van Leeuwen:
Treewidth, Kernels, and Algorithms - Essays Dedicated to Hans L. Bodlaender on the Occasion of His 60th Birthday. Lecture Notes in Computer Science 12160, Springer 2020, ISBN 978-3-030-42070-3 [contents] - [d1]Narek Bojikian, Alexander van der Grinten, Falko Hegerfeld, Laurence Alec Kluge, Stefan Kratsch:
PACE-Challenge-2020-HU-Berlin-Exact-Track. Zenodo, 2020
- [i54]Stefan Kratsch, Florian Nelles:
Efficient parameterized algorithms for computing all-pairs shortest paths. CoRR abs/2001.04908 (2020) - [i53]Falko Hegerfeld, Stefan Kratsch:
Solving connectivity problems parameterized by treedepth in single-exponential time and polynomial space. CoRR abs/2001.05364 (2020) - [i52]Stefan Kratsch, Tomás Masarík, Irene Muzi, Marcin Pilipczuk, Manuel Sorge:
Optimal Discretization is Fixed-parameter Tractable. CoRR abs/2003.02475 (2020) - [i51]Eva-Maria C. Hols, Stefan Kratsch, Astrid Pieterse:
Approximate Turing Kernelization for Problems Parameterized by Treewidth. CoRR abs/2004.12683 (2020) - [i50]Eun Jung Kim, Stefan Kratsch, Marcin Pilipczuk, Magnus Wahlström:
Solving hard cut problems via flow-augmentation. CoRR abs/2007.09018 (2020)
2010 – 2019
- 2019
- [j40]Yann Disser, Stefan Kratsch, Manuel Sorge:
The Minimum Feasible Tileset Problem. Algorithmica 81(3): 1126-1151 (2019) - [j39]Till Fluschnik, Stefan Kratsch, Rolf Niedermeier, Manuel Sorge:
The parameterized complexity of the minimum shared edges problem. J. Comput. Syst. Sci. 106: 23-48 (2019) - [j38]Robert Bredereck, Christian Komusiewicz, Stefan Kratsch, Hendrik Molter, Rolf Niedermeier, Manuel Sorge:
Assessing the computational complexity of multilayer subgraph detection. Netw. Sci. 7(2): 215-241 (2019) - [j37]Benjamin A. Burton, Sergio Cabello, Stefan Kratsch, William Pettersson:
The Parameterized Complexity of Finding a 2-Sphere in a Simplicial Complex. SIAM J. Discret. Math. 33(4): 2092-2110 (2019) - [c62]Fabrizio Grandoni, Stefan Kratsch, Andreas Wiese:
Parameterized Approximation Schemes for Independent Set of Rectangles and Geometric Knapsack. ESA 2019: 53:1-53:16 - [c61]Falko Hegerfeld, Stefan Kratsch:
On Adaptive Algorithms for Maximum Matching. ICALP 2019: 71:1-71:16 - [c60]Eva-Maria C. Hols, Stefan Kratsch:
On Kernelization for Edge Dominating Set under Structural Parameters. STACS 2019: 36:1-36:18 - [i49]Eva-Maria C. Hols, Stefan Kratsch:
On Kernelization for Edge Dominating Set under Structural Parameters. CoRR abs/1901.03582 (2019) - [i48]Falko Hegerfeld, Stefan Kratsch:
On adaptive algorithms for maximum matching. CoRR abs/1904.11244 (2019) - [i47]Eva-Maria C. Hols, Stefan Kratsch, Astrid Pieterse:
Elimination Distances, Blocking Sets, and Kernels for Vertex Cover. CoRR abs/1905.03631 (2019) - [i46]Fabrizio Grandoni, Stefan Kratsch, Andreas Wiese:
Parameterized Approximation Schemes for Independent Set of Rectangles and Geometric Knapsack. CoRR abs/1906.10982 (2019) - 2018
- [j36]Marek Cygan, Stefan Kratsch, Jesper Nederlof:
Fast Hamiltonicity Checking Via Bases of Perfect Matchings. J. ACM 65(3): 12:1-12:46 (2018) - [j35]Eva-Maria C. Hols, Stefan Kratsch:
A Randomized Polynomial Kernel for Subset Feedback Vertex Set. Theory Comput. Syst. 62(1): 63-92 (2018) - [j34]Stefan Kratsch:
A Randomized Polynomial Kernelization for Vertex Cover with a Smaller Parameter. SIAM J. Discret. Math. 32(3): 1806-1839 (2018) - [j33]Robert Bredereck, Jiehua Chen, Falk Hüffner, Stefan Kratsch:
Parameterized complexity of team formation in social networks. Theor. Comput. Sci. 717: 26-36 (2018) - [c59]Rayan Chikhi, Vladan Jovicic, Stefan Kratsch, Paul Medvedev, Martin Milanic, Sofya Raskhodnikova, Nithin Varma:
Bipartite Graphs of Small Readability. COCOON 2018: 467-479 - [c58]Stefan Kratsch, Florian Nelles:
Efficient and Adaptive Parameterized Algorithms on Modular Decompositions. ESA 2018: 55:1-55:15 - [c57]Stefan Kratsch, Shaohua Li, Dániel Marx, Marcin Pilipczuk, Magnus Wahlström:
Multi-Budgeted Directed Cuts. IPEC 2018: 18:1-18:14 - [i45]Benjamin A. Burton, Sergio Cabello, Stefan Kratsch, William Pettersson:
The parameterized complexity of finding a 2-sphere in a simplicial complex. CoRR abs/1802.07175 (2018) - [i44]Stefan Kratsch, Florian Nelles:
Efficient and adaptive parameterized algorithms on modular decompositions. CoRR abs/1804.10173 (2018) - [i43]Rayan Chikhi, Vladan Jovicic, Stefan Kratsch, Paul Medvedev, Martin Milanic, Sofya Raskhodnikova, Nithin Varma:
Bipartite Graphs of Small Readability. CoRR abs/1805.04765 (2018) - [i42]Stefan Kratsch, Shaohua Li, Dániel Marx, Marcin Pilipczuk, Magnus Wahlström:
Multi-budgeted directed cuts. CoRR abs/1810.06848 (2018) - [i41]Jérémy Barbay, Johannes Fischer, Stefan Kratsch, Srinivasa Rao Satti:
Synergies between Adaptive Analysis of Algorithms, Parameterized Complexity, Compressed Data Structures and Compressed Indices (Dagstuhl Seminar 18281). Dagstuhl Reports 8(7): 44-61 (2018) - 2017
- [j32]Stefan Kratsch, Manuel Sorge:
On Kernelization and Approximation for the Vector Connectivity Problem. Algorithmica 79(1): 96-138 (2017) - [j31]Hans L. Bodlaender, Stefan Kratsch, Vincent J. C. Kreuzen, O-joung Kwon, Seongmin Ok:
Characterizing width two for variants of treewidth. Discret. Appl. Math. 216: 29-46 (2017) - [j30]Stefan Kratsch, Pascal Schweitzer:
Graph isomorphism for graph classes characterized by two forbidden induced subgraphs. Discret. Appl. Math. 216: 240-253 (2017) - [j29]Stefan Kratsch, Martin Milanic:
On the complexity of the identifiable subgraph problem, revisited. Discret. Appl. Math. 226: 78-86 (2017) - [j28]Michael Etscheid, Stefan Kratsch, Matthias Mnich, Heiko Röglin:
Polynomial kernels for weighted problems. J. Comput. Syst. Sci. 84: 1-10 (2017) - [c56]Robert Bredereck, Christian Komusiewicz, Stefan Kratsch, Hendrik Molter, Rolf Niedermeier, Manuel Sorge:
Assessing the Computational Complexity of Multi-layer Subgraph Detection. CIAC 2017: 128-139 - [c55]Toni Böhnlein, Stefan Kratsch, Oliver Schaudt:
Revenue Maximization in Stackelberg Pricing Games: Beyond the Combinatorial Setting. ICALP 2017: 46:1-46:13 - [c54]Eva-Maria C. Hols, Stefan Kratsch:
Smaller Parameters for Vertex Cover Kernelization. IPEC 2017: 20:1-20:12 - [c53]Benjamin A. Burton, Sergio Cabello, Stefan Kratsch, William Pettersson:
The Parameterized Complexity of Finding a 2-Sphere in a Simplicial Complex. STACS 2017: 18:1-18:14 - [c52]Yann Disser, Stefan Kratsch:
Robust and Adaptive Search. STACS 2017: 26:1-26:14 - [i40]Yann Disser, Stefan Kratsch:
Robust and adaptive search. CoRR abs/1702.05932 (2017) - [i39]Eva-Maria C. Hols, Stefan Kratsch:
Smaller parameters for vertex cover kernelization. CoRR abs/1711.04604 (2017) - 2016
- [j27]Matthew Johnson, Dieter Kratsch, Stefan Kratsch, Viresh Patel, Daniël Paulusma:
Finding Shortest Paths Between Graph Colourings. Algorithmica 75(2): 295-321 (2016) - [j26]Gregory Z. Gutin, Stefan Kratsch, Magnus Wahlström:
Polynomial Kernels and User Reductions for the Workflow Satisfiability Problem. Algorithmica 75(2): 383-402 (2016) - [j25]Stefan Kratsch:
On polynomial kernels for sparse integer linear programs. J. Comput. Syst. Sci. 82(5): 758-766 (2016) - [j24]Stefan Kratsch, Geevarghese Philip, Saurabh Ray:
Point Line Cover: The Easy Kernel is Essentially Tight. ACM Trans. Algorithms 12(3): 40:1-40:16 (2016) - [j23]Stefan Kratsch, Dániel Marx, Magnus Wahlström:
Parameterized Complexity and Kernelizability of Max Ones and Exact Ones Problems. ACM Trans. Comput. Theory 8(1): 1:1-1:28 (2016) - [c51]Robert Bredereck, Jiehua Chen, Falk Hüffner, Stefan Kratsch:
Parameterized Complexity of Team Formation in Social Networks. AAIM 2016: 137-149 - [c50]Stefan Kratsch:
A Randomized Polynomial Kernelization for Vertex Cover with a Smaller Parameter. ESA 2016: 59:1-59:17 - [c49]Stefan Fafianie, Eva-Maria C. Hols, Stefan Kratsch, Vuong Anh Quyen:
Preprocessing Under Uncertainty: Matroid Intersection. MFCS 2016: 35:1-35:14 - [c48]Stefan Fafianie, Stefan Kratsch, Vuong Anh Quyen:
Preprocessing Under Uncertainty. STACS 2016: 33:1-33:13 - [c47]Eva-Maria C. Hols, Stefan Kratsch:
A Randomized Polynomial Kernel for Subset Feedback Vertex Set. STACS 2016: 43:1-43:14 - [r2]Stefan Kratsch:
Kernelization, Polynomial Lower Bounds. Encyclopedia of Algorithms 2016: 1036-1039 - [r1]Stefan Kratsch:
Kernelization, Preprocessing for Treewidth. Encyclopedia of Algorithms 2016: 1040-1042 - [i38]Till Fluschnik, Stefan Kratsch, Rolf Niedermeier, Manuel Sorge:
The Parameterized Complexity of the Minimum Shared Edges Problem. CoRR abs/1602.01739 (2016) - [i37]Stefan Kratsch, Martin Milanic:
On the complexity of the identifiable subgraph problem, revisited. CoRR abs/1603.06226 (2016) - [i36]Robert Bredereck, Christian Komusiewicz, Stefan Kratsch, Hendrik Molter, Rolf Niedermeier, Manuel Sorge:
Assessing the Computational Complexity of Multi-Layer Subgraph Detection. CoRR abs/1604.07724 (2016) - [i35]Stefan Kratsch:
A randomized polynomial kernelization for Vertex Cover with a smaller parameter. CoRR abs/1611.06795 (2016) - 2015
- [j22]Danny Hermelin, Stefan Kratsch, Karolina Soltys, Magnus Wahlström, Xi Wu:
A Completeness Theory for Polynomial (Turing) Kernelization. Algorithmica 71(3): 702-730 (2015) - [j21]Hans L. Bodlaender, Marek Cygan, Stefan Kratsch, Jesper Nederlof:
Deterministic single exponential time algorithms for connectivity problems parameterized by treewidth. Inf. Comput. 243: 86-111 (2015) - [j20]René van Bevern, Jiehua Chen, Falk Hüffner, Stefan Kratsch, Nimrod Talmon, Gerhard J. Woeginger:
Approximability and parameterized complexity of multicover by c-intervals. Inf. Process. Lett. 115(10): 744-749 (2015) - [j19]Stefan Kratsch, Marcin Pilipczuk, Michal Pilipczuk, Magnus Wahlström:
Fixed-Parameter Tractability of Multicut in Directed Acyclic Graphs. SIAM J. Discret. Math. 29(1): 122-144 (2015) - [j18]Noga Alon, Robert Bredereck, Jiehua Chen, Stefan Kratsch, Rolf Niedermeier, Gerhard J. Woeginger:
How to Put Through Your Agenda in Collective Binary Decisions. ACM Trans. Economics and Comput. 4(1): 5:1-5:28 (2015) - [c46]Bart M. P. Jansen, Stefan Kratsch:
A Structural Approach to Kernels for ILPs: Treewidth and Total Unimodularity. ESA 2015: 779-791 - [c45]Till Fluschnik, Stefan Kratsch, Rolf Niedermeier, Manuel Sorge:
The Parameterized Complexity of the Minimum Shared Edges Problem. FSTTCS 2015: 448-462 - [c44]Stefan Kratsch, Manuel Sorge:
On Kernelization and Approximation for the Vector Connectivity Problem. IPEC 2015: 377-388 - [c43]Michael Etscheid, Stefan Kratsch, Matthias Mnich, Heiko Röglin:
Polynomial Kernels for Weighted Problems. MFCS (2) 2015: 287-298 - [c42]Stefan Fafianie, Stefan Kratsch:
A Shortcut to (Sun)Flowers: Kernels in Logarithmic Space or Linear Time. MFCS (2) 2015: 299-310 - [c41]Stefan Fafianie, Stefan Kratsch:
An Experimental Analysis of a Polynomial Compression for the Steiner Cycle Problem. SEA 2015: 367-378 - [i34]Stefan Fafianie, Stefan Kratsch:
A shortcut to (sun)flowers: Kernels in logarithmic space or linear time. CoRR abs/1504.08235 (2015) - [i33]Bart M. P. Jansen, Stefan Kratsch:
A structural approach to kernels for ILPs: Treewidth and Total Unimodularity. CoRR abs/1506.07729 (2015) - [i32]Michael Etscheid, Stefan Kratsch, Matthias Mnich, Heiko Röglin:
Polynomial Kernels for Weighted Problems. CoRR abs/1507.03439 (2015) - [i31]Stefan Fafianie, Stefan Kratsch, Vuong Anh Quyen:
Preprocessing under uncertainty. CoRR abs/1510.05503 (2015) - [i30]Eva-Maria C. Hols, Stefan Kratsch:
A randomized polynomial kernel for Subset Feedback Vertex Set. CoRR abs/1512.02510 (2015) - 2014
- [j17]Stefan Kratsch:
Recent developments in kernelization: A survey. Bull. EATCS 113 (2014) - [j16]Robert Bredereck, Jiehua Chen, Sepp Hartung, Stefan Kratsch, Rolf Niedermeier, Ondrej Suchý, Gerhard J. Woeginger:
A Multivariate Complexity Analysis of Lobbying in Multiple Referenda. J. Artif. Intell. Res. 50: 409-446 (2014) - [j15]Fedor V. Fomin, Stefan Kratsch, Marcin Pilipczuk, Michal Pilipczuk, Yngve Villanger:
Tight bounds for parameterized complexity of Cluster Editing with a small number of clusters. J. Comput. Syst. Sci. 80(7): 1430-1447 (2014) - [j14]Hans L. Bodlaender, Bart M. P. Jansen, Stefan Kratsch:
Kernelization Lower Bounds by Cross-Composition. SIAM J. Discret. Math. 28(1): 277-305 (2014) - [j13]Stefan Kratsch:
Co-Nondeterminism in Compositions: A Kernelization Lower Bound for a Ramsey-Type Problem. ACM Trans. Algorithms 10(4): 19:1-19:16 (2014) - [j12]Stefan Kratsch, Magnus Wahlström:
Compression via Matroids: A Randomized Polynomial Kernel for Odd Cycle Transversal. ACM Trans. Algorithms 10(4): 20:1-20:15 (2014) - [j11]Marek Cygan, Stefan Kratsch, Marcin Pilipczuk, Michal Pilipczuk, Magnus Wahlström:
Clique Cover and Graph Separation: New Incompressibility Results. ACM Trans. Comput. Theory 6(2): 6:1-6:19 (2014) - [j10]Stefan Kratsch, Marcin Pilipczuk, Ashutosh Rai, Venkatesh Raman:
Kernel Lower Bounds using Co-Nondeterminism: Finding Induced Hereditary Subgraphs. ACM Trans. Comput. Theory 7(1): 4:1-4:18 (2014) - [c40]Gregory Z. Gutin, Stefan Kratsch, Magnus Wahlström:
Polynomial Kernels and User Reductions for the Workflow Satisfiability Problem. IPEC 2014: 208-220 - [c39]Matthew Johnson, Dieter Kratsch, Stefan Kratsch, Viresh Patel, Daniël Paulusma:
Finding Shortest Paths Between Graph Colourings. IPEC 2014: 221-233 - [c38]Stefan Kratsch, Vuong Anh Quyen:
On Kernels for Covering and Packing ILPs with Small Coefficients. IPEC 2014: 307-318 - [c37]Stefan Fafianie, Stefan Kratsch:
Streaming Kernelization. MFCS (2) 2014: 275-286 - [c36]Stefan Kratsch, Geevarghese Philip, Saurabh Ray:
Point Line Cover: The Easy Kernel is Essentially Tight. SODA 2014: 1596-1606 - [c35]Yann Disser, Stefan Kratsch, Manuel Sorge:
The Minimum Feasible Tileset Problem. WAOA 2014: 144-155 - [i29]Matthew Johnson, Dieter Kratsch, Stefan Kratsch, Viresh Patel, Daniël Paulusma:
Colouring Reconfiguration Is Fixed-Parameter Tractable. CoRR abs/1403.6347 (2014) - [i28]Stefan Fafianie, Stefan Kratsch:
Streaming Kernelization. CoRR abs/1405.1356 (2014) - [i27]Gregory Z. Gutin, Stefan Kratsch, Magnus Wahlström:
Polynomial Kernels and User Reductions for the Workflow Satisfiability Problem. CoRR abs/1409.7261 (2014) - [i26]Yann Disser, Stefan Kratsch, Manuel Sorge:
The Minimum Feasible Tileset problem. CoRR abs/1409.8524 (2014) - [i25]Stefan Kratsch, Manuel Sorge:
On Kernelization and Approximation for the Vector Connectivity Problem. CoRR abs/1410.8819 (2014) - [i24]Stefan Kratsch, Daniel Lokshtanov, Dániel Marx, Peter Rossmanith:
Optimality and tight results in parameterized complexity (Dagstuhl Seminar 14451). Dagstuhl Reports 4(11): 1-21 (2014) - 2013
- [j9]Stefan Kratsch, Frank Neumann:
Fixed-Parameter Evolutionary Algorithms and the Vertex Cover Problem. Algorithmica 65(4): 754-771 (2013) - [j8]Danny Hermelin, Chien-Chung Huang, Stefan Kratsch, Magnus Wahlström:
Parameterized Two-Player Nash Equilibrium. Algorithmica 65(4): 802-816 (2013) - [j7]Stefan Kratsch, Magnus Wahlström:
Two edge modification problems without polynomial kernels. Discret. Optim. 10(3): 193-199 (2013) - [j6]Bart M. P. Jansen, Stefan Kratsch:
Data reduction for graph coloring problems. Inf. Comput. 231: 70-88 (2013) - [j5]Klaus Jansen, Stefan Kratsch, Dániel Marx, Ildikó Schlotter:
Bin packing with fixed number of bins revisited. J. Comput. Syst. Sci. 79(1): 39-49 (2013) - [j4]Hans L. Bodlaender, Bart M. P. Jansen, Stefan Kratsch:
Preprocessing for Treewidth: A Combinatorial Analysis through Kernelization. SIAM J. Discret. Math. 27(4): 2108-2142 (2013) - [j3]Hans L. Bodlaender, Bart M. P. Jansen, Stefan Kratsch:
Kernel bounds for path and cycle problems. Theor. Comput. Sci. 511: 117-136 (2013) - [j2]Pinar Heggernes, Pim van 't Hof, Bart M. P. Jansen, Stefan Kratsch, Yngve Villanger:
Parameterized complexity of vertex deletion into perfect graph classes. Theor. Comput. Sci. 511: 172-180 (2013) - [c34]Noga Alon, Robert Bredereck, Jiehua Chen, Stefan Kratsch, Rolf Niedermeier, Gerhard J. Woeginger:
How to Put through Your Agenda in Collective Binary Decisions. ADT 2013: 30-44 - [c33]Stefan Kratsch:
On Polynomial Kernels for Integer Linear Programs: Covering, Packing and Feasibility. ESA 2013: 647-658 - [c32]Hans L. Bodlaender, Marek Cygan, Stefan Kratsch, Jesper Nederlof:
Deterministic Single Exponential Time Algorithms for Connectivity Problems Parameterized by Treewidth. ICALP (1) 2013: 196-207 - [c31]Danny Hermelin, Stefan Kratsch, Karolina Soltys, Magnus Wahlström, Xi Wu:
A Completeness Theory for Polynomial (Turing) Kernelization. IPEC 2013: 202-215 - [c30]Dieter Kratsch, Stefan Kratsch:
The Jump Number Problem: Exact and Parameterized. IPEC 2013: 230-242 - [c29]Fedor V. Fomin, Stefan Kratsch, Marcin Pilipczuk, Michal Pilipczuk, Yngve Villanger:
Tight bounds for Parameterized Complexity of Cluster Editing. STACS 2013: 32-43 - [c28]Stefan Kratsch:
On Polynomial Kernels for Sparse Integer Linear Programs. STACS 2013: 80-91 - [c27]Marek Cygan, Stefan Kratsch, Jesper Nederlof:
Fast hamiltonicity checking via bases of perfect matchings. STOC 2013: 301-310 - [c26]Hans L. Bodlaender, Stefan Kratsch, Vincent J. C. Kreuzen:
Fixed-Parameter Tractability and Characterizations of Small Special Treewidth. WG 2013: 88-99 - [i23]Stefan Kratsch:
On Polynomial Kernels for Sparse Integer Linear Programs. CoRR abs/1302.3494 (2013) - [i22]Stefan Kratsch:
On Polynomial Kernels for Integer Linear Programs: Covering, Packing and Feasibility. CoRR abs/1302.3496 (2013) - [i21]Stefan Kratsch, Geevarghese Philip, Saurabh Ray:
Point Line Cover: The Easy Kernel is Essentially Tight. CoRR abs/1307.2521 (2013) - 2012
- [j1]Stefan Kratsch:
Polynomial Kernelizations for MIN F+Π1 and MAX NP. Algorithmica 63(1-2): 532-550 (2012) - [c25]Robert Bredereck, Jiehua Chen, Sepp Hartung, Rolf Niedermeier, Ondrej Suchý, Stefan Kratsch:
A Multivariate Complexity Analysis of Lobbying in Multiple Referenda. AAAI 2012: 1292-1298 - [c24]Stefan Kratsch, Magnus Wahlström:
Representative Sets and Irrelevant Vertices: New Tools for Kernelization. FOCS 2012: 450-459 - [c23]Marek Cygan, Stefan Kratsch, Marcin Pilipczuk, Michal Pilipczuk, Magnus Wahlström:
Clique Cover and Graph Separation: New Incompressibility Results. ICALP (1) 2012: 254-265 - [c22]Stefan Kratsch, Marcin Pilipczuk, Michal Pilipczuk, Magnus Wahlström:
Fixed-Parameter Tractability of Multicut in Directed Acyclic Graphs. ICALP (1) 2012: 581-593 - [c21]Stefan Kratsch, Magnus Wahlström:
Compression via matroids: a randomized polynomial kernel for odd cycle transversal. SODA 2012: 94-103 - [c20]Stefan Kratsch:
Co-nondeterminism in compositions: a kernelization lower bound for a Ramsey-type problem. SODA 2012: 114-122 - [c19]Hans L. Bodlaender, Bart M. P. Jansen, Stefan Kratsch:
Kernel Bounds for Structural Parameterizations of Pathwidth. SWAT 2012: 352-363 - [c18]Stefan Kratsch, Marcin Pilipczuk, Ashutosh Rai, Venkatesh Raman:
Kernel Lower Bounds Using Co-nondeterminism: Finding Induced Hereditary Subgraphs. SWAT 2012: 364-375 - [c17]Stefan Kratsch, Pascal Schweitzer:
Graph Isomorphism for Graph Classes Characterized by Two Forbidden Induced Subgraphs. WG 2012: 34-45 - [i20]Stefan Kratsch, Marcin Pilipczuk, Michal Pilipczuk, Magnus Wahlström:
Fixed-parameter tractability of multicut in directed acyclic graphs. CoRR abs/1202.5749 (2012) - [i19]Hans L. Bodlaender, Bart M. P. Jansen, Stefan Kratsch:
Kernelization Lower Bounds By Cross-Composition. CoRR abs/1206.5941 (2012) - [i18]Hans L. Bodlaender, Bart M. P. Jansen, Stefan Kratsch:
Kernel Bounds for Structural Parameterizations of Pathwidth. CoRR abs/1207.4900 (2012) - [i17]Stefan Kratsch, Pascal Schweitzer:
Graph Isomorphism for Graph Classes Characterized by two Forbidden Induced Subgraphs. CoRR abs/1208.0142 (2012) - [i16]Hans L. Bodlaender, Marek Cygan, Stefan Kratsch, Jesper Nederlof:
Solving weighted and counting variants of connectivity problems parameterized by treewidth deterministically in single exponential time. CoRR abs/1211.1505 (2012) - [i15]Marek Cygan, Stefan Kratsch, Jesper Nederlof:
Fast Hamiltonicity checking via bases of perfect matchings. CoRR abs/1211.1506 (2012) - 2011
- [c16]Bart M. P. Jansen, Stefan Kratsch:
Data Reduction for Graph Coloring Problems. FCT 2011: 90-101 - [c15]Pinar Heggernes, Pim van 't Hof, Bart M. P. Jansen, Stefan Kratsch, Yngve Villanger:
Parameterized Complexity of Vertex Deletion into Perfect Graph Classes. FCT 2011: 240-251 - [c14]Hans L. Bodlaender, Bart M. P. Jansen, Stefan Kratsch:
Preprocessing for Treewidth: A Combinatorial Analysis through Kernelization. ICALP (1) 2011: 437-448 - [c13]Bart M. P. Jansen, Stefan Kratsch:
On Polynomial Kernels for Structural Parameterizations of Odd Cycle Transversal. IPEC 2011: 132-144 - [c12]Hans L. Bodlaender, Bart M. P. Jansen, Stefan Kratsch:
Kernel Bounds for Path and Cycle Problems. IPEC 2011: 145-158 - [c11]Jiong Guo, Iyad A. Kanj, Stefan Kratsch:
Safe Approximation and Its Relation to Kernelization. IPEC 2011: 169-180 - [c10]Hans L. Bodlaender, Bart M. P. Jansen, Stefan Kratsch:
Cross-Composition: A New Technique for Kernelization Lower Bounds. STACS 2011: 165-176 - [c9]Danny Hermelin, Chien-Chung Huang, Stefan Kratsch, Magnus Wahlström:
Parameterized Two-Player Nash Equilibrium. WG 2011: 215-226 - [i14]Hans L. Bodlaender, Bart M. P. Jansen, Stefan Kratsch:
Preprocessing for Treewidth: A Combinatorial Analysis through Kernelization. CoRR abs/1104.4217 (2011) - [i13]Bart M. P. Jansen, Stefan Kratsch:
Data Reduction for Graph Coloring Problems. CoRR abs/1104.4229 (2011) - [i12]Hans L. Bodlaender, Bart M. P. Jansen, Stefan Kratsch:
Kernel Bounds for Path and Cycle Problems. CoRR abs/1106.4141 (2011) - [i11]Stefan Kratsch, Magnus Wahlström:
Compression via Matroids: A Randomized Polynomial Kernel for Odd Cycle Transversal. CoRR abs/1107.3068 (2011) - [i10]Bart M. P. Jansen, Stefan Kratsch:
On Polynomial Kernels for Structural Parameterizations of Odd Cycle Transversal. CoRR abs/1107.3658 (2011) - [i9]Stefan Kratsch:
Co-nondeterminism in compositions: A kernelization lower bound for a Ramsey-type problem. CoRR abs/1107.3704 (2011) - [i8]Danny Hermelin, Stefan Kratsch, Karolina Soltys, Magnus Wahlström, Xi Wu:
Hierarchies of Inefficient Kernelizability. CoRR abs/1110.0976 (2011) - [i7]Marek Cygan, Stefan Kratsch, Marcin Pilipczuk, Michal Pilipczuk, Magnus Wahlström:
Clique cover and graph separation: New incompressibility results. CoRR abs/1111.0570 (2011) - [i6]Stefan Kratsch, Magnus Wahlström:
Representative sets and irrelevant vertices: New tools for kernelization. CoRR abs/1111.2195 (2011) - [i5]Fedor V. Fomin, Stefan Kratsch, Marcin Pilipczuk, Michal Pilipczuk, Yngve Villanger:
Subexponential fixed-parameter tractability of cluster editing. CoRR abs/1112.4419 (2011) - 2010
- [b1]Stefan Kratsch:
Kernelization of generic problems: upper and lower bounds. Saarland University, 2010 - [c8]Stefan Kratsch, Magnus Wahlström:
Preprocessing of Min Ones Problems: A Dichotomy. ICALP (1) 2010: 653-665 - [c7]Stefan Kratsch, Dániel Marx, Magnus Wahlström:
Parameterized Complexity and Kernelizability of Max Ones and Exact Ones Problems. MFCS 2010: 489-500 - [c6]Stefan Kratsch, Per Kristian Lehre, Frank Neumann, Pietro Simone Oliveto:
Fixed Parameter Evolutionary Algorithms and Maximum Leaf Spanning Trees: A Matter of Mutation. PPSN (1) 2010: 204-213 - [c5]Stefan Kratsch, Pascal Schweitzer:
Isomorphism for Graphs of Bounded Feedback Vertex Set Number. SWAT 2010: 81-92 - [c4]Klaus Jansen, Stefan Kratsch, Dániel Marx, Ildikó Schlotter:
Bin Packing with Fixed Number of Bins Revisited. SWAT 2010: 260-272 - [i4]Danny Hermelin, Chien-Chung Huang, Stefan Kratsch, Magnus Wahlström:
Parameterized Two-Player Nash Equilibrium. CoRR abs/1006.2063 (2010) - [i3]Hans L. Bodlaender, Bart M. P. Jansen, Stefan Kratsch:
Cross-Composition: A New Technique for Kernelization Lower Bounds. CoRR abs/1011.4224 (2010)
2000 – 2009
- 2009
- [c3]Stefan Kratsch, Frank Neumann:
Fixed-parameter evolutionary algorithms and the vertex cover problem. GECCO 2009: 293-300 - [c2]Stefan Kratsch, Magnus Wahlström:
Two Edge Modification Problems without Polynomial Kernels. IWPEC 2009: 264-275 - [c1]Stefan Kratsch:
Polynomial Kernelizations for MIN F+Pi1 and MAX NP. STACS 2009: 601-612 - [i2]Stefan Kratsch:
Polynomial Kernelizations for $\MINF_1$ and $\MNP$. CoRR abs/0902.1835 (2009) - [i1]Stefan Kratsch, Magnus Wahlström:
Preprocessing of Min Ones Problems: A Dichotomy. CoRR abs/0910.4518 (2009)
Coauthor Index
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