Jakob Nordström
Professor
- 2001
- Published
Stålmarck's Method Versus Resolution: a Comparative Theoretical Study
Nordström, Jakob, 2001Research output: Book/Report › Report › Research
- 2006
- Published
Narrow proofs may be spacious: Separating space and width in resolution
Nordström, Jakob, 2006, STOC'06: Proceedings of the 38th Annual ACM Symposium on Theory of Computing. p. 507-516 10 p. (Proceedings of the Annual ACM Symposium on Theory of Computing, Vol. 2006).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2008
- Published
Short proofs may be spacious: An optimal separation of space and length in resolution
Ben-Sasson, E. & Nordström, Jakob, 2008, Proceedings of the 49th Annual IEEE Symposium on Foundations of Computer Science, FOCS 2008. p. 709-718 10 p. 4691003. (Proceedings - Annual IEEE Symposium on Foundations of Computer Science, FOCS).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Short Proofs May Be Spacious: Understanding Space in Resolution
Nordström, Jakob, 1 May 2008Research output: Book/Report › Report › Research › peer-review
- Published
Towards an optimal separation of space and length in resolution
Nordström, Jakob & Håstad, J., 2008, STOC'08: Proceedings of the 2008 ACM Symposium on Theory of Computing. Association for Computing Machinery (ACM), p. 701-710 10 p. (Proceedings of the Annual ACM Symposium on Theory of Computing).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2009
- Published
A Space Hierarchy for $k$-DNF Resolution
Ben-Sasson, E. & Nordström, Jakob, 1 Apr 2009.Research output: Working paper
- Published
A simplified way of proving trade-off results for resolution
Nordström, Jakob, 31 Aug 2009, In: Information Processing Letters. 109, 18, p. 1030-1035 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Narrow proofs may be spacious: Separating space and width in resolution
Nordström, Jakob, 2009, In: SIAM Journal on Computing. 39, 1, p. 59-121 63 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2010
- Published
Understanding Space in Proof Complexity: Separations and Trade-offs via Substitutions
Ben-Sasson, E. & Nordström, Jakob, 1 Aug 2010.Research output: Working paper
- Published
Separations of Matroid Freeness Properties
Bhattacharyya, A., Grigorescu, E., Nordström, Jakob & Xie, N., 1 Aug 2010.Research output: Working paper
- Published
On the relative strength of pebbling and resolution
Nordström, Jakob, 2010, Proceedings - 25th Annual IEEE Conference on Computational Complexity, CCC 2010. p. 151-162 12 p. 5497889. (Proceedings of the Annual IEEE Conference on Computational Complexity).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2011
- Published
On minimal unsatisfiability and time-space trade-offs for k-DNF resolution
Nordström, Jakob & Razborov, A., 2011, Automata, Languages and Programming - 38th International Colloquium, ICALP 2011, Proceedings. PART 1 ed. p. 642-653 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); No. PART 1, Vol. 6755 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2012
Space complexity in polynomial calculus
Filmus, Y., Lauria, M., Nordström, Jakob, Thapen, N. & Ron-Zewi, N., 2012, Proceedings - 2012 IEEE 27th Conference on Computational Complexity, CCC 2012. p. 334-344 11 p. 6243410. (Proceedings of the Annual IEEE Conference on Computational Complexity).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
On the Virtue of Succinct Proofs: Amplifying Communication Complexity Hardness to Time-Space Trade-offs in Proof Complexity (Extended Abstract)
Huynh, T. & Nordström, Jakob, 1 May 2012, Proceedings of the 44th Annual ACM Symposium on Theory of Computing (STOC '12). Association for Computing Machinery, Inc., p. 233-248 16 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Relating proof complexity measures and practical hardness of SAT
Järvisalo, M., Matsliah, A., Nordström, Jakob & Živný, S., 2012, Principles and Practice of Constraint Programming - 18th International Conference, CP 2012, Proceedings. p. 316-331 16 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 7514 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
On the relative strength of pebbling and resolution
Nordström, Jakob, Apr 2012, In: ACM Transactions on Computational Logic. 13, 2, a16.Research output: Contribution to journal › Journal article › Research › peer-review
- 2013
Some trade-off results for polynomial calculus
Beck, C., Nordström, Jakob & Tang, B., 2013, STOC 2013 - Proceedings of the 2013 ACM Symposium on Theory of Computing. p. 813-822 10 p. (Proceedings of the Annual ACM Symposium on Theory of Computing).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Towards an understanding of polynomial calculus: New separations and lower bounds (extended abstract)
Filmus, Y., Lauria, M., Mikša, M., Nordström, Jakob & Vinyals, M., 2013, Automata, Languages, and Programming - 40th International Colloquium, ICALP 2013, Proceedings. PART 1 ed. p. 437-448 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); No. PART 1, Vol. 7965 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Pebble games, proof complexity, and time-space trade-offs
Nordström, Jakob, 13 Sep 2013, In: Logical Methods in Computer Science. 9, 3, 15.Research output: Contribution to journal › Journal article › Research › peer-review
- 2014
Narrow proofs may be maximally long
Atserias, A., Lauria, M. & Nordström, Jakob, 2014, Proceedings - IEEE 29th Conference on Computational Complexity, CCC 2014. IEEE Computer Society Press, p. 286-297 12 p. 6875497. (Proceedings of the Annual IEEE Conference on Computational Complexity).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
From small space to small width in resolution
Filmus, Y., Lauria, M., Mikša, M., Nordström, Jakob & Vinyals, M., 1 Mar 2014, 31st International Symposium on Theoretical Aspects of Computer Science, STACS 2014. Portier, N. & Mayr, E. W. (eds.). Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, Vol. 25. p. 300-311 12 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Long Proofs of (Seemingly) Simple Formulas
Mikša, M. & Nordström, Jakob, 2014, Theory and Applications of Satisfiability Testing, SAT 2014 - 17th International Conference, Held as Part of theVienna Summer of Logic, VSL 2014, Proceedings. Springer Verlag, p. 121-137 17 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 8561 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
A (biased) proof complexity survey for SAT practitioners
Nordström, Jakob, 2014, Theory and Applications of Satisfiability Testing, SAT 2014 - 17th International Conference, Held as Part of theVienna Summer of Logic, VSL 2014, Proceedings. Springer Verlag, p. 1-6 6 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 8561 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2015
Hardness of Approximation in PSPACE and Separation Results for Pebble Games (Extended Abstract)
Chan, S. M., Lauria, M., Nordström, Jakob & Vinyals, M., 1 Oct 2015, Proceedings of the 56th Annual IEEE Symposium on Foundations of Computer Science (FOCS~'15). IEEE, p. 466-485 20 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
From small space to small width in resolution
Filmus, Y., Lauria, M., Mikša, M., Nordström, Jakob & Vinyals, M., 1 Aug 2015, In: ACM Transactions on Computational Logic. 16, 4, 28.Research output: Contribution to journal › Journal article › Research › peer-review
Space complexity in polynomial calculus
Filmus, Y., Lauria, M., Nordström, Jakob, Ron-Zewi, N. & Thapen, N., 2015, In: SIAM Journal on Computing. 44, 4, p. 1119-1153 35 p.Research output: Contribution to journal › Journal article › Research › peer-review
Tight size-degree bounds for sums-of-squares proofs
Lauria, M. & Nordström, Jakob, 1 Jun 2015, 30th Conference on Computational Complexity, CCC 2015. Zuckerman, D. (ed.). Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, p. 448-466 19 p. (Leibniz International Proceedings in Informatics, LIPIcs, Vol. 33).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
A generalized method for proving polynomial calculus degree lower bounds
Mikša, M. & Nordström, Jakob, 1 Jun 2015, 30th Conference on Computational Complexity, CCC 2015. Zuckerman, D. (ed.). Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, p. 467-487 21 p. (Leibniz International Proceedings in Informatics, LIPIcs, Vol. 33).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
On the Interplay Between Proof Complexity and SAT Solving
Nordström, Jakob, 1 Jul 2015, In: ACM SIGLOG News. 2, 3, p. 19-44 26 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2016
Narrow proofs may be maximally long
Atserias, A., Lauria, M. & Nordström, Jakob, Feb 2016, In: ACM Transactions on Computational Logic. 17, 3, 19.Research output: Contribution to journal › Journal article › Research › peer-review
Near-Optimal Lower Bounds on Quantifier Depth and Weisfeiler - Leman Refinement Steps
Berkholz, C. & Nordström, Jakob, 5 Jul 2016, Proceedings of the 31st Annual ACM-IEEE Symposium on Logic in Computer Science, LICS 2016. Institute of Electrical and Electronics Engineers Inc., p. 267-276 10 p. (Proceedings - Symposium on Logic in Computer Science, Vol. 05-08-July-2016).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Supercritical space-width trade-offs for resolution
Berkholz, C. & Nordström, Jakob, 1 Aug 2016, 43rd International Colloquium on Automata, Languages, and Programming, ICALP 2016. Rabani, Y., Chatzigiannakis, I., Sangiorgi, D. & Mitzenmacher, M. (eds.). Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, 57. (Leibniz International Proceedings in Informatics, LIPIcs, Vol. 55).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Trade-offs between time and memory in a tighter model of CDCL SAT solvers
Elffers, J., Johannsen, J., Lauria, M., Magnard, T., Nordström, Jakob & Vinyals, M., 2016, Theory and Applications of Satisfiability Testing – SAT 2016 - 19th International Conference, Proceedings. Le Berre, D. & Creignou, N. (eds.). Springer Verlag, p. 160-176 17 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 9710).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2017
Cumulative space in black-white pebbling and resolution
Alwen, J., De Rezende, S. F., Nordström, Jakob & Vinyals, M., 1 Nov 2017, 8th Innovations in Theoretical Computer Science Conference, ITCS 2017. Papadimitriou, C. H. (ed.). Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, (Leibniz International Proceedings in Informatics, LIPIcs, Vol. 67).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
CNFgen: A generator of crafted benchmarks
Lauria, M., Elffers, J., Nordström, Jakob & Vinyals, M., 2017, Theory and Applications of Satisfiability Testing – SAT 2017 - 20th International Conference, Proceedings. Gaspers, S. & Walsh, T. (eds.). Springer Verlag, p. 464-473 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 10491 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Graph colouring is hard for algorithms based on hilbert's nullstellensatz and gröbner bases
Lauria, M. & Nordström, Jakob, 1 Jul 2017, 32nd Computational Complexity Conference, CCC 2017. O'Donnell, R. (ed.). Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, 2. (Leibniz International Proceedings in Informatics, LIPIcs, Vol. 79).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Tight Size-Degree Bounds for Sums-of-Squares Proofs
Lauria, M. & Nordström, Jakob, 1 Dec 2017, In: Computational Complexity. 26, 4, p. 911-948 38 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2018
Clique is hard on average for regular resolution
Atserias, A., Lauria, M., Bonacina, I., Nordström, Jakob, De Rezende, S. F. & Razborov, A., 20 Jun 2018, STOC 2018 - Proceedings of the 50th Annual ACM SIGACT Symposium on Theory of Computing. Henzinger, M., Kempe, D. & Diakonikolas, I. (eds.). ACM Association for Computing Machinery, p. 646-659 14 p. (Proceedings of the Annual ACM Symposium on Theory of Computing).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Divide and conquer: Towards faster pseudo-boolean solving
Elffers, J. & Nordström, Jakob, 2018, Proceedings of the 27th International Joint Conference on Artificial Intelligence, IJCAI 2018. Lang, J. (ed.). International Joint Conferences on Artificial Intelligence, p. 1291-1299 9 p. (IJCAI International Joint Conference on Artificial Intelligence, Vol. 2018-July).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Seeking practical CDCL insights from theoretical SAT benchmarks
Elffers, J., Cru, J. G., Gocht, S., Nordström, Jakob & Simon, L., 2018, Proceedings of the 27th International Joint Conference on Artificial Intelligence, IJCAI 2018. Lang, J. (ed.). International Joint Conferences on Artificial Intelligence, p. 1300-1308 9 p. (IJCAI International Joint Conference on Artificial Intelligence, Vol. 2018-July).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Using combinatorial benchmarks to probe the reasoning power of pseudo-boolean solvers
Elffers, J., Giráldez-Cru, J., Nordström, Jakob & Vinyals, M., 2018, Theory and Applications of Satisfiability Testing – SAT 2018 - 21st International Conference, SAT 2018, Held as Part of the Federated Logic Conference, FloC 2018, Proceedings. Beyersdorff, O. & Wintersteiger, C. M. (eds.). Springer Verlag, p. 75-93 19 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 10929 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
In between resolution and cutting planes: A study of proof systems for pseudo-boolean SAT solving
Vinyals, M., Elffers, J., Giráldez-Cru, J., Gocht, S. & Nordström, Jakob, 2018, Theory and Applications of Satisfiability Testing – SAT 2018 - 21st International Conference, SAT 2018, Held as Part of the Federated Logic Conference, FloC 2018, Proceedings. Beyersdorff, O. & Wintersteiger, C. M. (eds.). Springer Verlag, p. 292-310 19 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 10929 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2019
- Published
On division versus saturation in pseudo-boolean solving
Gocht, S., Nordström, Jakob & Yehudayoff, A., 2019, Proceedings of the 28th International Joint Conference on Artificial Intelligence, IJCAI 2019. Kraus, S. (ed.). International Joint Conferences on Artificial Intelligence, p. 1711-1718Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Nullstellensatz Size-Degree Trade-offs from Reversible Pebbling
de Rezende, S. F., Nordström, Jakob, Meir, O. & Robere, R., 2019, 34th Computational Complexity Conference (CCC 2019), Proceedings. Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik, Vol. 137. p. 1-16 18. (Leibniz International Proceedings in Informatics, LIPIcs, Vol. 137).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2020
- Published
Supercritical space-width trade-offs for resolution
Berkholz, C. & Nordström, Jakob, 2020, In: SIAM Journal on Computing. 49, 1, p. 98-118Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A Cardinal Improvement to Pseudo-Boolean Solving
Elffers, J. & Nordström, Jakob, 1 Feb 2020, Proceedings of the 34th AAAI Conference on Artificial Intelligence (AAAI '20). AAAI Press, p. 1495-1503 9 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Justifying All Differences Using Pseudo-Boolean Reasoning
Elffers, J., Gocht, S., McCreesh, C. & Nordström, Jakob, 1 Feb 2020, Proceedings of the 34th AAAI Conference on Artificial Intelligence (AAAI '20). AAAI Press, p. 1486-1494 9 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Certifying Solvers for Clique and Maximum Common (Connected) Subgraph Problems
Gocht, S., McBride, R., McCreesh, C., Nordström, Jakob, Prosser, P. & Trimble, J., 2020, Principles and Practice of Constraint Programming: 26th International Conference, CP 2020, Proceedings. Simonis, H. (ed.). Springer, p. 338-357 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 12333 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Subgraph Isomorphism Meets Cutting Planes: Solving With Certified Solutions
Gocht, S., McCreesh, C. & Nordström, Jakob, 1 Jul 2020, Proceedings of the 29th International Joint Conference on Artificial Intelligence (IJCAI '20). International Joint Conferences on Artificial Intelligence, p. 1134-1140 7 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Using Resolution Proofs to Analyse CDCL Solvers
Kokkala, J. I. & Nordström, Jakob, 2020, Principles and Practice of Constraint Programming : 26th International Conference, CP 2020, Proceedings. Simonis, H. (ed.). Springer, p. 427-444 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 12333 LNCS).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
ID: 209376262
Most downloads
-
69
downloads
Nullstellensatz Size-Degree Trade-offs from Reversible Pebbling
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Published -
33
downloads
Exponential resolution lower bounds for weak pigeonhole principle and perfect matching formulas over sparse graphs
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Published -
25
downloads
Verifying Properties of Bit-vector Multiplication Using Cutting Planes Reasoning
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Published