Stefan Kratsch

Orcid: 0000-0002-0193-7239

Affiliations:
  • HU Berlin, Germany
  • TU Berlin, Germany (former)
  • Max Planck Institute for Informatics, Saarbrücken, Germany (former)


According to our database1, Stefan Kratsch authored at least 107 papers between 2009 and 2025.

Collaborative distances:
  • Dijkstra number2 of three.
  • Erdős number3 of two.

Timeline

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Bibliography

2025
Boundaried Kernelization via Representative Sets.
CoRR, October, 2025

Boundaried Kernelization.
CoRR, April, 2025

Flow-augmentation I: Directed graphs.
J. ACM, February, 2025

Efficient parameterized approximation.
CoRR, January, 2025

Tight Bounds for Some Classical Problems Parameterized by Cutwidth.
Proceedings of the 33rd Annual European Symposium on Algorithms, 2025

2024
Flow-augmentation II: Undirected Graphs.
ACM Trans. Algorithms, April, 2024

Tight Algorithm for Connected Odd Cycle Transversal Parameterized by Clique-width.
CoRR, 2024

On Polynomial Kernelization for Stable Cutset.
Proceedings of the Graph-Theoretic Concepts in Computer Science, 2024

A Tight Monte-Carlo Algorithm for Steiner Tree Parameterized by Clique-Width.
Proceedings of the 51st International Colloquium on Automata, Languages, and Programming, 2024

2023
Tight Algorithms for Connectivity Problems Parameterized by Modular-Treewidth.
Proceedings of the Graph-Theoretic Concepts in Computer Science, 2023

Tight Bounds for Connectivity Problems Parameterized by Cutwidth.
Proceedings of the 40th International Symposium on Theoretical Aspects of Computer Science, 2023

Flow-augmentation III: Complexity dichotomy for Boolean CSPs parameterized by the number of unsatisfied constraints.
Proceedings of the 2023 ACM-SIAM Symposium on Discrete Algorithms, 2023

Tight Algorithmic Applications of Clique-Width Generalizations.
Proceedings of the 48th International Symposium on Mathematical Foundations of Computer Science, 2023

Approximate Turing Kernelization and Lower Bounds for Domination Problems.
Proceedings of the 18th International Symposium on Parameterized and Exact Computation, 2023

Tight Algorithms for Connectivity Problems Parameterized by Clique-Width.
Proceedings of the 31st Annual European Symposium on Algorithms, 2023

2022
Efficient parameterized algorithms on graphs with heterogeneous structure: Combining tree-depth and modular-width.
CoRR, 2022

On Triangle Counting Parameterized by Twin-Width.
CoRR, 2022

Directed flow-augmentation.
Proceedings of the STOC '22: 54th Annual ACM SIGACT Symposium on Theory of Computing, Rome, Italy, June 20, 2022

Towards Exact Structural Thresholds for Parameterized Complexity.
Proceedings of the 17th International Symposium on Parameterized and Exact Computation, 2022

2021
Optimal Discretization is Fixed-parameter Tractable.
Proceedings of the 2021 ACM-SIAM Symposium on Discrete Algorithms, 2021

Solving hard cut problems via flow-augmentation.
Proceedings of the 2021 ACM-SIAM Symposium on Discrete Algorithms, 2021

2020
PACE-Challenge-2020-HU-Berlin-Exact-Track.
Dataset, June, 2020

Efficient Parameterized Algorithms for Computing All-Pairs Shortest Paths.
Proceedings of the 37th International Symposium on Theoretical Aspects of Computer Science, 2020

Elimination Distances, Blocking Sets, and Kernels for Vertex Cover.
Proceedings of the 37th International Symposium on Theoretical Aspects of Computer Science, 2020

Solving Connectivity Problems Parameterized by Treedepth in Single-Exponential Time and Polynomial Space.
Proceedings of the 37th International Symposium on Theoretical Aspects of Computer Science, 2020

Approximate Turing Kernelization for Problems Parameterized by Treewidth.
Proceedings of the 28th Annual European Symposium on Algorithms, 2020

2019
Assessing the computational complexity of multilayer subgraph detection.
Netw. Sci., 2019

On Kernelization for Edge Dominating Set under Structural Parameters.
Proceedings of the 36th International Symposium on Theoretical Aspects of Computer Science, 2019

On Adaptive Algorithms for Maximum Matching.
Proceedings of the 46th International Colloquium on Automata, Languages, and Programming, 2019

Parameterized Approximation Schemes for Independent Set of Rectangles and Geometric Knapsack.
Proceedings of the 27th Annual European Symposium on Algorithms, 2019

2018
Synergies between Adaptive Analysis of Algorithms, Parameterized Complexity, Compressed Data Structures and Compressed Indices (Dagstuhl Seminar 18281).
Dagstuhl Reports, 2018

Multi-Budgeted Directed Cuts.
Proceedings of the 13th International Symposium on Parameterized and Exact Computation, 2018

Efficient and Adaptive Parameterized Algorithms on Modular Decompositions.
Proceedings of the 26th Annual European Symposium on Algorithms, 2018

Bipartite Graphs of Small Readability.
Proceedings of the Computing and Combinatorics - 24th International Conference, 2018

2017
On the complexity of the identifiable subgraph problem, revisited.
Discret. Appl. Math., 2017

Characterizing width two for variants of treewidth.
Discret. Appl. Math., 2017

Robust and Adaptive Search.
Proceedings of the 34th Symposium on Theoretical Aspects of Computer Science, 2017

The Parameterized Complexity of Finding a 2-Sphere in a Simplicial Complex.
Proceedings of the 34th Symposium on Theoretical Aspects of Computer Science, 2017

Smaller Parameters for Vertex Cover Kernelization.
Proceedings of the 12th International Symposium on Parameterized and Exact Computation, 2017

Revenue Maximization in Stackelberg Pricing Games: Beyond the Combinatorial Setting.
Proceedings of the 44th International Colloquium on Automata, Languages, and Programming, 2017

Assessing the Computational Complexity of Multi-layer Subgraph Detection.
Proceedings of the Algorithms and Complexity - 10th International Conference, 2017

2016
Kernelization, Preprocessing for Treewidth.
Encyclopedia of Algorithms, 2016

Kernelization, Polynomial Lower Bounds.
Encyclopedia of Algorithms, 2016

A Randomized Polynomial Kernel for Subset Feedback Vertex Set.
Proceedings of the 33rd Symposium on Theoretical Aspects of Computer Science, 2016

Preprocessing Under Uncertainty.
Proceedings of the 33rd Symposium on Theoretical Aspects of Computer Science, 2016

Preprocessing Under Uncertainty: Matroid Intersection.
Proceedings of the 41st International Symposium on Mathematical Foundations of Computer Science, 2016

A Randomized Polynomial Kernelization for Vertex Cover with a Smaller Parameter.
Proceedings of the 24th Annual European Symposium on Algorithms, 2016

Parameterized Complexity of Team Formation in Social Networks.
Proceedings of the Algorithmic Aspects in Information and Management, 2016

2015
Approximability and parameterized complexity of multicover by c-intervals.
Inf. Process. Lett., 2015

An Experimental Analysis of a Polynomial Compression for the Steiner Cycle Problem.
Proceedings of the Experimental Algorithms - 14th International Symposium, 2015

A Shortcut to (Sun)Flowers: Kernels in Logarithmic Space or Linear Time.
Proceedings of the Mathematical Foundations of Computer Science 2015, 2015

Polynomial Kernels for Weighted Problems.
Proceedings of the Mathematical Foundations of Computer Science 2015, 2015

On Kernelization and Approximation for the Vector Connectivity Problem.
Proceedings of the 10th International Symposium on Parameterized and Exact Computation, 2015

The Parameterized Complexity of the Minimum Shared Edges Problem.
Proceedings of the 35th IARCS Annual Conference on Foundation of Software Technology and Theoretical Computer Science, 2015

A Structural Approach to Kernels for ILPs: Treewidth and Total Unimodularity.
Proceedings of the Algorithms - ESA 2015, 2015

2014
Kernelization Lower Bounds by Cross-Composition.
SIAM J. Discret. Math., 2014

Tight bounds for parameterized complexity of Cluster Editing with a small number of clusters.
J. Comput. Syst. Sci., 2014

A Multivariate Complexity Analysis of Lobbying in Multiple Referenda.
J. Artif. Intell. Res., 2014

Recent developments in kernelization: A survey.
Bull. EATCS, 2014

Optimality and tight results in parameterized complexity (Dagstuhl Seminar 14451).
Dagstuhl Reports, 2014

Colouring Reconfiguration Is Fixed-Parameter Tractable.
CoRR, 2014

The Minimum Feasible Tileset Problem.
Proceedings of the Approximation and Online Algorithms - 12th International Workshop, 2014

Point Line Cover: The Easy Kernel is Essentially Tight.
Proceedings of the Twenty-Fifth Annual ACM-SIAM Symposium on Discrete Algorithms, 2014

Streaming Kernelization.
Proceedings of the Mathematical Foundations of Computer Science 2014, 2014

On Kernels for Covering and Packing ILPs with Small Coefficients.
Proceedings of the Parameterized and Exact Computation - 9th International Symposium, 2014

Polynomial Kernels and User Reductions for the Workflow Satisfiability Problem.
Proceedings of the Parameterized and Exact Computation - 9th International Symposium, 2014

Finding Shortest Paths Between Graph Colourings.
Proceedings of the Parameterized and Exact Computation - 9th International Symposium, 2014

2013
Fixed-Parameter Tractability and Characterizations of Small Special Treewidth.
Proceedings of the Graph-Theoretic Concepts in Computer Science, 2013

Fast hamiltonicity checking via bases of perfect matchings.
Proceedings of the Symposium on Theory of Computing Conference, 2013

On Polynomial Kernels for Sparse Integer Linear Programs.
Proceedings of the 30th International Symposium on Theoretical Aspects of Computer Science, 2013

Tight bounds for Parameterized Complexity of Cluster Editing.
Proceedings of the 30th International Symposium on Theoretical Aspects of Computer Science, 2013

The Jump Number Problem: Exact and Parameterized.
Proceedings of the Parameterized and Exact Computation - 8th International Symposium, 2013

A Completeness Theory for Polynomial (Turing) Kernelization.
Proceedings of the Parameterized and Exact Computation - 8th International Symposium, 2013

Deterministic Single Exponential Time Algorithms for Connectivity Problems Parameterized by Treewidth.
Proceedings of the Automata, Languages, and Programming - 40th International Colloquium, 2013

On Polynomial Kernels for Integer Linear Programs: Covering, Packing and Feasibility.
Proceedings of the Algorithms - ESA 2013, 2013

How to Put through Your Agenda in Collective Binary Decisions.
Proceedings of the Algorithmic Decision Theory - Third International Conference, 2013

2012
Solving weighted and counting variants of connectivity problems parameterized by treewidth deterministically in single exponential time
CoRR, 2012

Polynomial Kernelizations for MIN F+Π1 and MAX NP.
Algorithmica, 2012

Graph Isomorphism for Graph Classes Characterized by Two Forbidden Induced Subgraphs.
Proceedings of the Graph-Theoretic Concepts in Computer Science, 2012

Kernel Lower Bounds Using Co-nondeterminism: Finding Induced Hereditary Subgraphs.
Proceedings of the Algorithm Theory - SWAT 2012, 2012

Kernel Bounds for Structural Parameterizations of Pathwidth.
Proceedings of the Algorithm Theory - SWAT 2012, 2012

Compression via matroids: a randomized polynomial kernel for odd cycle transversal.
Proceedings of the Twenty-Third Annual ACM-SIAM Symposium on Discrete Algorithms, 2012

Co-nondeterminism in compositions: a kernelization lower bound for a Ramsey-type problem.
Proceedings of the Twenty-Third Annual ACM-SIAM Symposium on Discrete Algorithms, 2012

Fixed-Parameter Tractability of Multicut in Directed Acyclic Graphs.
Proceedings of the Automata, Languages, and Programming - 39th International Colloquium, 2012

Clique Cover and Graph Separation: New Incompressibility Results.
Proceedings of the Automata, Languages, and Programming - 39th International Colloquium, 2012

Representative Sets and Irrelevant Vertices: New Tools for Kernelization.
Proceedings of the 53rd Annual IEEE Symposium on Foundations of Computer Science, 2012

A Multivariate Complexity Analysis of Lobbying in Multiple Referenda.
Proceedings of the Twenty-Sixth AAAI Conference on Artificial Intelligence, 2012

2011
Subexponential fixed-parameter tractability of cluster editing
CoRR, 2011

Hierarchies of Inefficient Kernelizability
CoRR, 2011

Parameterized Two-Player Nash Equilibrium.
Proceedings of the Graph-Theoretic Concepts in Computer Science, 2011

Cross-Composition: A New Technique for Kernelization Lower Bounds.
Proceedings of the 28th International Symposium on Theoretical Aspects of Computer Science, 2011

On Polynomial Kernels for Structural Parameterizations of Odd Cycle Transversal.
Proceedings of the Parameterized and Exact Computation - 6th International Symposium, 2011

Safe Approximation and Its Relation to Kernelization.
Proceedings of the Parameterized and Exact Computation - 6th International Symposium, 2011

Kernel Bounds for Path and Cycle Problems.
Proceedings of the Parameterized and Exact Computation - 6th International Symposium, 2011

Preprocessing for Treewidth: A Combinatorial Analysis through Kernelization.
Proceedings of the Automata, Languages and Programming - 38th International Colloquium, 2011

Data Reduction for Graph Coloring Problems.
Proceedings of the Fundamentals of Computation Theory - 18th International Symposium, 2011

Parameterized Complexity of Vertex Deletion into Perfect Graph Classes.
Proceedings of the Fundamentals of Computation Theory - 18th International Symposium, 2011

2010
Kernelization of generic problems: upper and lower bounds.
PhD thesis, 2010

Isomorphism for Graphs of Bounded Feedback Vertex Set Number.
Proceedings of the Algorithm Theory, 2010

Bin Packing with Fixed Number of Bins Revisited.
Proceedings of the Algorithm Theory, 2010

Fixed Parameter Evolutionary Algorithms and Maximum Leaf Spanning Trees: A Matter of Mutation.
Proceedings of the Parallel Problem Solving from Nature, 2010

Parameterized Complexity and Kernelizability of Max Ones and Exact Ones Problems.
Proceedings of the Mathematical Foundations of Computer Science 2010, 2010

Preprocessing of Min Ones Problems: A Dichotomy.
Proceedings of the Automata, Languages and Programming, 37th International Colloquium, 2010

2009
Polynomial Kernelizations for $\MINF_1$ and $\MNP$
CoRR, 2009

Polynomial Kernelizations for MIN F<sup>+</sup>Pi<sub>1</sub> and MAX NP.
Proceedings of the 26th International Symposium on Theoretical Aspects of Computer Science, 2009

Two Edge Modification Problems without Polynomial Kernels.
Proceedings of the Parameterized and Exact Computation, 4th International Workshop, 2009

Fixed-parameter evolutionary algorithms and the vertex cover problem.
Proceedings of the Genetic and Evolutionary Computation Conference, 2009


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