Olaf Beyersdorff

Orcid: 0000-0002-2870-1648

Affiliations:
  • University of Jena, Germany
  • University of Leeds, School of Computing, UK (former)


According to our database1, Olaf Beyersdorff authored at least 97 papers between 2004 and 2025.

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Bibliography

2025
Semi-Algebraic Proof Systems for QBF.
Proceedings of the 28th International Conference on Theory and Applications of Satisfiability Testing, 2025

Computationally Hard Problems Are Hard for QBF Proof Systems Too.
Proceedings of the AAAI-25, Sponsored by the Association for the Advancement of Artificial Intelligence, February 25, 2025

2024
Polynomial Calculus for Quantified Boolean Logic: Lower Bounds through Circuits and Degree.
Electron. Colloquium Comput. Complex., 2024

SAT and Interactions (Dagstuhl Seminar 24421).
Dagstuhl Reports, 2024

The Relative Strength of #SAT Proof Systems.
Proceedings of the 27th International Conference on Theory and Applications of Satisfiability Testing, 2024

Polynomial Calculus for Quantified Boolean Logic: Lower Bounds Through Circuits and Degree.
Proceedings of the 49th International Symposium on Mathematical Foundations of Computer Science, 2024

Runtime vs. Extracted Proof Size: An Exponential Gap for CDCL on QBFs.
Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence, 2024

2023
Hardness Characterisations and Size-width Lower Bounds for QBF Resolution.
ACM Trans. Comput. Log., April, 2023

Proof Complexity of Propositional Model Counting.
Proceedings of the 26th International Conference on Theory and Applications of Satisfiability Testing, 2023

QCDCL vs QBF Resolution: Further Insights.
Proceedings of the 26th International Conference on Theory and Applications of Satisfiability Testing, 2023

2022
Theory and Practice of SAT and Combinatorial Solving (Dagstuhl Seminar 22411).
Dagstuhl Reports, October, 2022

Proof Complexity of Modal Resolution.
J. Autom. Reason., 2022

Classes of Hard Formulas for QBF Resolution.
Proceedings of the 25th International Conference on Theory and Applications of Satisfiability Testing, 2022

Should Decisions in QCDCL Follow Prefix Order?
Proceedings of the 25th International Conference on Theory and Applications of Satisfiability Testing, 2022

QCDCL with Cube Learning or Pure Literal Elimination - What is Best?
Proceedings of the Thirty-First International Joint Conference on Artificial Intelligence, 2022

2021
Quantified Boolean Formulas.
Proceedings of the Handbook of Satisfiability - Second Edition, 2021

A simple proof of QBF hardness.
Inf. Process. Lett., 2021

Strong (D)QBF Dependency Schemes via Implication-free Resolution Paths.
Electron. Colloquium Comput. Complex., 2021

QCDCL with Cube Learning or Pure Literal Elimination - What is best?
Electron. Colloquium Comput. Complex., 2021

Lower Bounds for QCDCL via Formula Gauge.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2021, 2021

QBFFam: A Tool for Generating QBF Families from Proof Complexity.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2021, 2021

Understanding the Relative Strength of QBF CDCL Solvers and QBF Resolution.
Proceedings of the 12th Innovations in Theoretical Computer Science Conference, 2021

2020
Dynamic QBF Dependencies in Reduction and Expansion.
ACM Trans. Comput. Log., 2020

Lower Bound Techniques for QBF Expansion.
Theory Comput. Syst., 2020

Frege Systems for Quantified Boolean Logic.
J. ACM, 2020

SAT and Interactions (Dagstuhl Seminar 20061).
Dagstuhl Reports, 2020

Strong (D)QBF Dependency Schemes via Tautology-Free Resolution Paths.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2020, 2020

Hardness Characterisations and Size-Width Lower Bounds for QBF Resolution.
Proceedings of the LICS '20: 35th Annual ACM/IEEE Symposium on Logic in Computer Science, 2020

Hard QBFs for Merge Resolution.
Proceedings of the 40th IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science, 2020

2019
New Resolution-Based QBF Calculi and Their Proof Complexity.
ACM Trans. Comput. Theory, 2019

Reinterpreting Dependency Schemes: Soundness Meets Incompleteness in DQBF.
J. Autom. Reason., 2019

Characterising tree-like Frege proofs for QBF.
Inf. Comput., 2019

Proof Complexity of Symmetry Learning in QBF.
Electron. Colloquium Comput. Complex., 2019

Building Strategies into QBF Proofs.
Proceedings of the 36th International Symposium on Theoretical Aspects of Computer Science, 2019

Proof Complexity of QBF Symmetry Recomputation.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2019, 2019

Short Proofs in QBF Expansion.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2019, 2019

2018
Are Short Proofs Narrow? QBF Resolution Is <i>Not</i> So Simple.
ACM Trans. Comput. Log., 2018

Relating size and width in variants of Q-resolution.
Inf. Process. Lett., 2018

The Riis Complexity Gap for QBF Resolution.
Electron. Colloquium Comput. Complex., 2018

More on Size and Width in QBF Resolution.
Electron. Colloquium Comput. Complex., 2018

Genuine Lower Bounds for QBF Expansion.
Proceedings of the 35th Symposium on Theoretical Aspects of Computer Science, 2018

Size, Cost and Capacity: A Semantic Technique for Hard Random QBFs.
Proceedings of the 9th Innovations in Theoretical Computer Science Conference, 2018

Dynamic Dependency Awareness for QBF.
Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence, 2018

2017
Formulas with Large Weight: a New Technique for Genuine QBF Lower Bounds.
Electron. Colloquium Comput. Complex., 2017

Shortening QBF Proofs with Dependency Schemes.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2017 - 20th International Conference, Melbourne, VIC, Australia, August 28, 2017

Reasons for Hardness in QBF Proof Systems.
Proceedings of the 37th IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science, 2017

2016
SAT and Interactions (Dagstuhl Seminar 16381).
Dagstuhl Reports, 2016

Are Short Proofs Narrow? QBF Resolution is not Simple.
Proceedings of the 33rd Symposium on Theoretical Aspects of Computer Science, 2016

Dependency Schemes in QBF Calculi: Semantics and Soundness.
Proceedings of the 4th International Workshop on Quantified Boolean Formulas (QBF 2016) co-located with 19th International Conference on Theory and Applications of Satisfiability Testing (SAT 2016), 2016

Lifting QBF Resolution Calculi to DQBF.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2016, 2016

Understanding Gentzen and Frege Systems for QBF.
Proceedings of the 31st Annual ACM/IEEE Symposium on Logic in Computer Science, 2016

Lower Bounds: From Circuits to QBF Proof Systems.
Proceedings of the 2016 ACM Conference on Innovations in Theoretical Computer Science, 2016

Understanding Cutting Planes for QBFs.
Proceedings of the 36th IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science, 2016

Extension Variables in QBF Resolution.
Proceedings of the Beyond NP, 2016

2015
Proof Complexity of Resolution-based QBF Calculi.
Proceedings of the 32nd International Symposium on Theoretical Aspects of Computer Science, 2015

A Game Characterisation of Tree-like Q-resolution Size.
Proceedings of the Language and Automata Theory and Applications, 2015

Feasible Interpolation for QBF Resolution Calculi.
Proceedings of the Automata, Languages, and Programming - 42nd International Colloquium, 2015

2014
Tableau vs. Sequent Calculi for Minimal Entailment.
Electron. Colloquium Comput. Complex., 2014

Optimal algorithms and proofs (Dagstuhl Seminar 14421).
Dagstuhl Reports, 2014

Unified Characterisations of Resolution Hardness Measures.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2014, 2014

On Unification of QBF Resolution-Based Calculi.
Proceedings of the Mathematical Foundations of Computer Science 2014, 2014

The Complexity of Theorem Proving in Circumscription and Minimal Entailment.
Proceedings of the Automated Reasoning - 7th International Joint Conference, 2014

2013
The Complexity of Theorem Proving in Autoepistemic Logic.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2013, 2013

2012
A Characterization of Tree-Like Resolution Size.
Electron. Colloquium Comput. Complex., 2012

Verifying Proofs in Constant Depth.
Electron. Colloquium Comput. Complex., 2012

Non-classical Aspects in Proof Complexity.
Cuvillier, ISBN: 978-3-9540403-6-0, 2012

2011
Do there exist complete sets for promise classes?
Math. Log. Q., 2011

Parameterized Complexity of DPLL Search Procedures.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2011, 2011

Verifying Proofs in Constant Depth.
Proceedings of the Mathematical Foundations of Computer Science 2011, 2011

Parameterized Bounded-Depth Frege Is Not Optimal.
Proceedings of the Automata, Languages and Programming - 38th International Colloquium, 2011

Proof Complexity of Non-classical Logics.
Proceedings of the Lectures on Logic and Computation, 2011

2010
A Lower Bound for the Pigeonhole Principle in Tree-like Resolution by Asymmetric Prover-Delayer Games.
Electron. Colloquium Comput. Complex., 2010

Different Approaches to Proof Systems.
Proceedings of the Theory and Applications of Models of Computation, 7th Annual Conference, 2010

Proof Complexity of Non-classical Logics.
Proceedings of the Theory and Applications of Models of Computation, 7th Annual Conference, 2010

Proof Complexity of Propositional Default Logic.
Proceedings of the Circuits, Logic, and Games, 07.02. - 12.02.2010, 2010

Hardness of Parameterized Resolution.
Proceedings of the Circuits, Logic, and Games, 07.02. - 12.02.2010, 2010

2009
Nondeterministic functions and the existence of optimal proof systems.
Theor. Comput. Sci., 2009

On the correspondence between arithmetic theories and propositional proof systems - a survey.
Math. Log. Q., 2009

The complexity of propositional implication.
Inf. Process. Lett., 2009

Proof Systems that Take Advice.
Electron. Colloquium Comput. Complex., 2009

Comparing axiomatizations of free pseudospaces.
Arch. Math. Log., 2009

Model Checking CTL is Almost Always Inherently Sequential.
Proceedings of the TIME 2009, 2009

On the Existence of Complete Disjoint NP-Pairs.
Proceedings of the 11th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing, 2009

The Complexity of Reasoning for Fragments of Default Logic.
Proceedings of the Theory and Applications of Satisfiability Testing, 2009

Does Advice Help to Prove Propositional Tautologies?
Proceedings of the Theory and Applications of Satisfiability Testing, 2009

Nondeterministic Instance Complexity and Proof Systems with Advice.
Proceedings of the Language and Automata Theory and Applications, 2009

Characterizing the Existence of Optimal Proof Systems and Complete Sets for Promise Classes.
Proceedings of the Computer Science, 2009

Edges as Nodes - a New Approach to Timetable Information .
Proceedings of the ATMOS 2009, 2009

2008
Logical Closure Properties of Propositional Proof Systems.
Proceedings of the Theory and Applications of Models of Computation, 2008

A Tight Karp-Lipton Collapse Result in Bounded Arithmetic.
Proceedings of the Computer Science Logic, 22nd International Workshop, 2008

2007
Classes of representable disjoint NP-pairs.
Theor. Comput. Sci., 2007

The Deduction Theorem for Strong Propositional Proof Systems.
Proceedings of the FSTTCS 2007: Foundations of Software Technology and Theoretical Computer Science, 2007

2006
Disjoint NP-pairs and propositional proof systems.
PhD thesis, 2006

On the Deduction Theorem and Complete Disjoint NP-Pairs.
Electron. Colloquium Comput. Complex., 2006

Disjoint NP-Pairs from Propositional Proof Systems.
Proceedings of the Theory and Applications of Models of Computation, 2006

Tuples of Disjoint NP-Sets.
Proceedings of the Computer Science, 2006

2004
Representable Disjoint NP-Pairs.
Proceedings of the FSTTCS 2004: Foundations of Software Technology and Theoretical Computer Science, 2004


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