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ORCIDHolger Dell
Person information
- affiliation (since 2019): IT University of Copenhagen, Denmark
- affiliation (2020-2025): Goethe University Frankfurt, Germany
- affiliation (2014-2019): Saarland University, Germany
- affiliation (2013-2014): Université Paris Diderot, France
- affiliation (2011-2013): Humboldt University Berlin, Germany
- affiliation (2007-2011, PhD 2011): Saarland University, Germany
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2020 – today
- 2026
[c29]Marco Bressan, Julian Brinkmann, Holger Dell, Marc Roth, Philip Wellnitz:
The Parameterised Complexity of Counting Small Sub-Hypergraphs. SODA 2026: 2002-2014- 2025
- [c28]Holger Dell, Anselm Haak, Melvin Kallmayer, Leo Wennmann:
Solving Polynomial Equations Over Finite Fields. SODA 2025: 2779-2803 - [i28]Marco Bressan, Julian Brinkmann, Holger Dell, Marc Roth, Philip Wellnitz:
The Complexity of Counting Small Sub-Hypergraphs. CoRR abs/2506.14081 (2025) - 2024
- [c27]Holger Dell
, John Lapinskas, Kitty Meeks:
Nearly Optimal Independence Oracle Algorithms for Edge Estimation in Hypergraphs. ICALP 2024: 54:1-54:17 - [i27]Dennis Vetter, Jasper Forth, Gemma Roig, Holger Dell:
Fairness Through Controlled (Un)Awareness in Node Embeddings. CoRR abs/2407.20024 (2024) - [i26]Holger Dell, Anselm Haak, Melvin Kallmayer, Leo Wennmann:
Solving Polynomial Equations Over Finite Fields. CoRR abs/2410.20162 (2024) - [i25]Scott Garrabrant, Matthias Georg Mayer, Magdalena Wache, Leon Lang, Sam Eisenstat, Holger Dell:
Factored space models: Towards causality between levels of abstraction. CoRR abs/2412.02579 (2024) - 2023
- [c26]Alexander Leonhardt, Holger Dell, Anselm Haak, Frank Kammer, Johannes Meintrup, Ulrich Meyer, Manuel Penschuck:
PACE Solver Description: Exact (GUTHMI) and Heuristic (GUTHM). IPEC 2023: 37:1-37:7 - 2022
- [j14]Holger Dell, John Lapinskas, Kitty Meeks:
Approximately Counting and Sampling Small Witnesses Using a Colorful Decision Oracle. SIAM J. Comput. 51(4): 849-899 (2022) - [e1]Holger Dell, Jesper Nederlof:
17th International Symposium on Parameterized and Exact Computation, IPEC 2022, Potsdam, Germany, September 7-9, 2022. LIPIcs 249, Schloss Dagstuhl - Leibniz-Zentrum für Informatik 2022, ISBN 978-3-95977-260-0 [contents] - [i24]Holger Dell, John Lapinskas, Kitty Meeks:
Nearly optimal independence oracle algorithms for edge estimation in hypergraphs. CoRR abs/2211.03874 (2022) - [i23]Holger Dell, Mark Richard Jerrum, Haiko Müller, Konrad Anand, Marcus Pappik:
Counting and Sampling: Algorithms and Complexity (Dagstuhl Seminar 22482). Dagstuhl Reports 12(11): 124-145 (2022) - 2021
- [j13]Holger Dell, John Lapinskas:
Fine-Grained Reductions from Approximate Counting to Decision. ACM Trans. Comput. Theory 13(2): 8:1-8:24 (2021) - [c25]Radu Curticapean, Holger Dell, Thore Husfeldt:
Modular Counting of Subgraphs: Matchings, Matching-Splittable Graphs, and Paths. ESA 2021: 34:1-34:17 - [i22]Radu Curticapean, Holger Dell, Thore Husfeldt:
Modular counting of subgraphs: Matchings, matching-splittable graphs, and paths. CoRR abs/2107.00629 (2021) - 2020
- [c24]Holger Dell, John Lapinskas, Kitty Meeks:
Approximately counting and sampling small witnesses using a colourful decision oracle. SODA 2020: 2201-2211
2010 – 2019
- 2019
- [j12]Cornelius Brand, Holger Dell, Marc Roth:
Fine-Grained Dichotomies for the Tutte Plane and Boolean #CSP. Algorithmica 81(2): 541-556 (2019) - [j11]Radu Curticapean, Holger Dell, Fedor V. Fomin, Leslie Ann Goldberg, John Lapinskas:
A Fixed-Parameter Perspective on #BIS. Algorithmica 81(10): 3844-3864 (2019) - [j10]Radu Curticapean, Holger Dell, Marc Roth:
Counting Edge-injective Homomorphisms and Matchings on Restricted Graph Classes. Theory Comput. Syst. 63(5): 987-1026 (2019) - [j9]Ivona Bezáková, Radu Curticapean, Holger Dell, Fedor V. Fomin:
Finding Detours is Fixed-Parameter Tractable. SIAM J. Discret. Math. 33(4): 2326-2345 (2019) - [c23]Holger Dell, Marc Roth, Philip Wellnitz:
Counting Answers to Existential Questions. ICALP 2019: 113:1-113:15 - [c22]Hubie Chen, Radu Curticapean, Holger Dell:
The Exponential-Time Complexity of Counting (Quantum) Graph Homomorphisms. WG 2019: 364-378 - [i21]Holger Dell, Marc Roth, Philip Wellnitz:
Counting Answers to Existential Questions. CoRR abs/1902.04960 (2019) - [i20]Holger Dell, John Lapinskas, Kitty Meeks:
Approximately counting and sampling small witnesses using a colourful decision oracle. CoRR abs/1907.04826 (2019) - 2018
- [c21]Holger Dell, Martin Grohe, Gaurav Rattan:
Lovász Meets Weisfeiler and Leman. ICALP 2018: 40:1-40:14 - [c20]Cornelius Brand, Holger Dell, Thore Husfeldt:
Extensor-coding. STOC 2018: 151-164 - [c19]Amir Abboud, Karl Bringmann, Holger Dell, Jesper Nederlof:
More consequences of falsifying SETH and the orthogonal vectors conjecture. STOC 2018: 253-266 - [c18]Holger Dell, John Lapinskas:
Fine-grained reductions from approximate counting to decision. STOC 2018: 281-288 - [i19]Holger Dell, Martin Grohe, Gaurav Rattan:
Weisfeiler-Leman meets Homomorphisms. CoRR abs/1802.08876 (2018) - [i18]Cornelius Brand, Holger Dell, Thore Husfeldt:
Extensor-Coding. CoRR abs/1804.09448 (2018) - [i17]Amir Abboud, Karl Bringmann, Holger Dell, Jesper Nederlof:
More Consequences of Falsifying SETH and the Orthogonal Vectors Conjecture. CoRR abs/1805.08554 (2018) - [i16]Holger Dell, Dániel Marx:
Kernelization of Packing Problems. CoRR abs/1812.03155 (2018) - 2017
- [j8]Holger Dell, Eun Jung Kim, Michael Lampis, Valia Mitsou, Tobias Mömke:
Complexity and Approximability of Parameterized MAX-CSPs. Algorithmica 79(1): 230-250 (2017) - [c17]Ivona Bezáková, Radu Curticapean, Holger Dell, Fedor V. Fomin:
Finding Detours is Fixed-Parameter Tractable. ICALP 2017: 54:1-54:14 - [c16]Radu Curticapean, Holger Dell, Fedor V. Fomin, Leslie Ann Goldberg, John Lapinskas:
A Fixed-Parameter Perspective on #BIS. IPEC 2017: 13:1-13:13 - [c15]Holger Dell, Christian Komusiewicz, Nimrod Talmon, Mathias Weller:
The PACE 2017 Parameterized Algorithms and Computational Experiments Challenge: The Second Iteration. IPEC 2017: 30:1-30:12 - [c14]Radu Curticapean, Holger Dell, Marc Roth:
Counting Edge-Injective Homomorphisms and Matchings on Restricted Graph Classes. STACS 2017: 25:1-25:15 - [c13]Radu Curticapean, Holger Dell, Dániel Marx:
Homomorphisms are a good basis for counting small subgraphs. STOC 2017: 210-223 - [i15]Radu Curticapean, Holger Dell, Marc Roth:
Counting edge-injective homomorphisms and matchings on restricted graph classes. CoRR abs/1702.05447 (2017) - [i14]Radu Curticapean, Holger Dell, Fedor V. Fomin, Leslie Ann Goldberg, John Lapinskas:
A Fixed-Parameter Perspective on #BIS. CoRR abs/1702.05543 (2017) - [i13]Radu Curticapean, Holger Dell, Dániel Marx:
Homomorphisms Are a Good Basis for Counting Small Subgraphs. CoRR abs/1705.01595 (2017) - [i12]Holger Dell, John Lapinskas:
Fine-grained reductions from approximate counting to decision. CoRR abs/1707.04609 (2017) - [i11]Holger Dell:
Note on "The Complexity of Counting Surjective Homomorphisms and Compactions". CoRR abs/1710.01712 (2017) - 2016
- [j7]Holger Dell:
AND-Compression of NP-Complete Problems: Streamlined Proof and Minor Observations. Algorithmica 75(2): 403-423 (2016) - [j6]Marek Cygan, Holger Dell, Daniel Lokshtanov, Dániel Marx, Jesper Nederlof, Yoshio Okamoto, Ramamohan Paturi, Saket Saurabh, Magnus Wahlström:
On Problems as Hard as CNF-SAT. ACM Trans. Algorithms 12(3): 41:1-41:24 (2016) - [c12]Cornelius Brand, Holger Dell, Marc Roth:
Fine-Grained Dichotomies for the Tutte Plane and Boolean #CSP. IPEC 2016: 9:1-9:14 - [c11]Holger Dell, Thore Husfeldt, Bart M. P. Jansen, Petteri Kaski, Christian Komusiewicz, Frances A. Rosamond:
The First Parameterized Algorithms and Computational Experiments Challenge. IPEC 2016: 30:1-30:9 - [i10]Cornelius Brand, Holger Dell, Marc Roth:
Fine-grained dichotomies for the Tutte plane and Boolean #CSP. CoRR abs/1606.06581 (2016) - [i9]Ivona Bezáková, Radu Curticapean, Holger Dell, Fedor V. Fomin:
Finding Detours is Fixed-parameter Tractable. CoRR abs/1607.07737 (2016) - 2015
- [c10]Andreas Björklund, Holger Dell, Thore Husfeldt:
The Parity of Set Systems Under Random Restrictions with Applications to Exponential Time Problems. ICALP (1) 2015: 231-242 - [c9]Holger Dell, Eun Jung Kim, Michael Lampis, Valia Mitsou, Tobias Mömke:
Complexity and Approximability of Parameterized MAX-CSPs. IPEC 2015: 294-306 - [i8]Holger Dell, Eun Jung Kim, Michael Lampis, Valia Mitsou, Tobias Mömke:
Complexity and Approximability of Parameterized MAX-CSPs. CoRR abs/1511.05546 (2015) - 2014
- [j5]Holger Dell, Dieter van Melkebeek:
Satisfiability Allows No Nontrivial Sparsification unless the Polynomial-Time Hierarchy Collapses. J. ACM 61(4): 23:1-23:27 (2014) - [j4]Holger Dell, Thore Husfeldt, Dániel Marx, Nina Taslaman, Martin Wahlen:
Exponential Time Complexity of the Permanent and the Tutte Polynomial. ACM Trans. Algorithms 10(4): 21:1-21:32 (2014) - [c8]Holger Dell:
AND-compression of NP-complete Problems: Streamlined Proof and Minor Observations. IPEC 2014: 184-195 - [i7]Holger Dell:
A simple proof that AND-compression of NP-complete problems is hard. CoRR abs/1405.4472 (2014) - [i6]Holger Dell:
A simple proof that AND-compression of NP-complete problems is hard. Electron. Colloquium Comput. Complex. TR14: Article TR14-075 (2014) - 2013
- [j3]Holger Dell, Valentine Kabanets, Dieter van Melkebeek, Osamu Watanabe:
Is Valiant-Vazirani's isolation probability improvable? Comput. Complex. 22(2): 345-383 (2013) - 2012
- [j2]Markus Bläser, Holger Dell, Mahmoud Fouz:
Complexity and Approximability of the Cover Polynomial. Comput. Complex. 21(3): 359-419 (2012) - [c7]Holger Dell, Valentine Kabanets, Dieter van Melkebeek, Osamu Watanabe:
Is Valiant-Vazirani's Isolation Probability Improvable? CCC 2012: 10-20 - [c6]Marek Cygan, Holger Dell, Daniel Lokshtanov, Dániel Marx, Jesper Nederlof, Yoshio Okamoto, Ramamohan Paturi, Saket Saurabh, Magnus Wahlström:
On Problems as Hard as CNF-SAT. CCC 2012: 74-84 - [c5]Holger Dell, Dániel Marx:
Kernelization of packing problems. SODA 2012: 68-81 - [i5]Holger Dell, Thore Husfeldt, Dániel Marx, Nina Taslaman, Martin Wahlen:
Exponential Time Complexity of the Permanent and the Tutte Polynomial. CoRR abs/1206.1775 (2012) - 2011
- [b1]Holger Dell:
Sparse instances of hard problems. Humboldt University of Berlin, 2011 - [i4]Marek Cygan, Holger Dell, Daniel Lokshtanov, Dániel Marx, Jesper Nederlof, Yoshio Okamoto, Ramamohan Paturi, Saket Saurabh, Magnus Wahlström:
On Problems as Hard as CNFSAT. CoRR abs/1112.2275 (2011) - 2010
- [j1]Markus Bläser, Holger Dell, Johann A. Makowsky:
Complexity of the Bollobás-Riordan Polynomial. Exceptional Points and Uniform Reductions. Theory Comput. Syst. 46(4): 690-706 (2010) - [c4]Holger Dell, Thore Husfeldt, Martin Wahlen:
Exponential Time Complexity of the Permanent and the Tutte Polynomial. ICALP (1) 2010: 426-437 - [c3]Holger Dell, Dieter van Melkebeek:
Satisfiability allows no nontrivial sparsification unless the polynomial-time hierarchy collapses. STOC 2010: 251-260 - [i3]Holger Dell, Thore Husfeldt, Martin Wahlen:
Exponential Time Complexity of the Permanent and the Tutte Polynomial. Electron. Colloquium Comput. Complex. TR10: Article TR10-078 (2010) - [i2]Dieter van Melkebeek, Holger Dell:
Satisfiability Allows No Nontrivial Sparsification Unless The Polynomial-Time Hierarchy Collapses. Electron. Colloquium Comput. Complex. TR10: Article TR10-038 (2010)
2000 – 2009
- 2009
- [i1]Holger Dell, Dieter van Melkebeek:
Satisfiability Allows No Nontrivial Sparsification Unless The Polynomial-Time Hierarchy Collapses. Parameterized complexity and approximation algorithms 2009 - 2008
- [c2]Markus Bläser, Holger Dell, Johann A. Makowsky:
Complexity of the Bollobás-Riordan Polynomial. CSR 2008: 86-98 - 2007
- [c1]Markus Bläser, Holger Dell:
Complexity of the Cover Polynomial. ICALP 2007: 801-812
Coauthor Index
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