Jacobo Torán

Orcid: 0000-0003-2168-4969

Affiliations:
  • University of Ulm, Institute of Theoretical Computer Science, Germany


According to our database1, Jacobo Torán authored at least 76 papers between 1987 and 2024.

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

Timeline

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Bibliography

2024
Pebble Games and Algebraic Proof Systems Meet Again.
Electron. Colloquium Comput. Complex., 2024

2023
Number of Variables for Graph Differentiation and the Resolution of Graph Isomorphism Formulas.
ACM Trans. Comput. Log., 2023

Pure Nash equilibria in a generalization of congestion games allowing resource failures.
Theor. Comput. Sci., 2023

Cutting Planes Width and the Complexity of Graph Isomorphism Refutations.
Electron. Colloquium Comput. Complex., 2023

2022
Algebraic and Analytic Methods in Computational Complexity (Dagstuhl Seminar 22371).
Dagstuhl Reports, September, 2022

Number of Variables for Graph Differentiation and the Resolution of GI Formulas.
Proceedings of the 30th EACSL Annual Conference on Computer Science Logic, 2022

2021
Number of Variables for Graph Identification and the Resolution of GI Formulas.
Electron. Colloquium Comput. Complex., 2021

Reversible Pebble Games and the Relation Between Tree-Like and General Resolution Space.
Comput. Complex., 2021

Parameterized Complexity of Small Weight Automorphisms and Isomorphisms.
Algorithmica, 2021

2018
Cops-Robber games and the resolution of Tseitin formulas.
Electron. Colloquium Comput. Complex., 2018

Algebraic Methods in Computational Complexity (Dagstuhl Seminar 18391).
Dagstuhl Reports, 2018

2017
CNF and DNF succinct graph encodings.
Inf. Comput., 2017

Finding Small Weight Isomorphisms with Additional Constraints is Fixed-Parameter Tractable.
Proceedings of the 12th International Symposium on Parameterized and Exact Computation, 2017

A Deterministic Algorithm for Testing the Equivalence of Read-Once Branching Programs with Small Discrepancy.
Proceedings of the Unveiling Dynamics and Complexity, 2017

2016
Solution-Graphs of Boolean Formulas and Isomorphism.
J. Satisf. Boolean Model. Comput., 2016

Parameterized Complexity of Small Weight Automorphisms.
Electron. Colloquium Comput. Complex., 2016

Algebraic Methods in Computational Complexity (Dagstuhl Seminar 16411).
Dagstuhl Reports, 2016

Solving Linear Equations Parameterized by Hamming Weight.
Algorithmica, 2016

2015
Succinct Encodings of Graph Isomorphism.
Electron. Colloquium Comput. Complex., 2015

Lowness results: the next generation.
Bull. EATCS, 2015

The Graph Isomorphism Problem (Dagstuhl Seminar 15511).
Dagstuhl Reports, 2015

2013
Graph Isomorphism is Not AC0-Reducible to Group Isomorphism.
ACM Trans. Comput. Theory, 2013

On the Resolution Complexity of Graph Non-isomorphism.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2013, 2013

2012
Das Erfüllbarkeitsproblem SAT - Algorithmen und Analysen.
Mathematik für Anwendungen 1, Lehmann, ISBN: 978-3-86541-473-1, 2012

2011
Solvable Group Isomorphism Is (Almost) in NP ∩ coNP.
ACM Trans. Comput. Theory, 2011

2010
Graph Isomorphism is not AC^0 reducible to Group Isomorphism.
Electron. Colloquium Comput. Complex., 2010

2009
Restricted Space Algorithms for Isomorphism on Bounded Treewidth Graphs.
Electron. Colloquium Comput. Complex., 2009

The Complexity of Planar Graph Isomorphism.
Bull. EATCS, 2009

Paradigms for fast parallel approximability (Reprint from 1997).
Cambridge international series on parallel computation 8, Cambridge University Press, ISBN: 978-0-521-43170-5, 2009

2007
Reductions to Graph Isomorphism.
Electron. Colloquium Comput. Complex., 2007

2006
Corrigendum to "Completeness results for graph isomorphism" [J. Comput. System Sci. 66(2003) 549-566].
J. Comput. Syst. Sci., 2006

The Complexity of Quasigroup Isomorphism and the Minimum Generating Set Problem.
Proceedings of the Algorithms and Computation, 17th International Symposium, 2006

A note on the size of Craig Interpolants.
Proceedings of the Circuits, Logic, and Games, 08.11. - 10.11.2006, 2006

2005
Isomorphism Testing: Perspective and Open Problems.
Bull. EATCS, 2005

Arthur-Merlin Games and the Problem of Isomorphism Testing.
Proceedings of the New Computational Paradigms, 2005

2004
On the Hardness of Graph Isomorphism.
SIAM J. Comput., 2004

Solvable Group Isomorphism is (almost) in NP\cap coNP
Electron. Colloquium Comput. Complex., 2004

Space and Width in Propositional Resolution (Column: Computational Complexity).
Bull. EATCS, 2004

Solvable Group Isomorphism.
Proceedings of the 19th Annual IEEE Conference on Computational Complexity (CCC 2004), 2004

2003
Completeness results for graph isomorphism.
J. Comput. Syst. Sci., 2003

A combinatorial characterization of treelike resolution space.
Inf. Process. Lett., 2003

Optimal proof systems imply complete sets for promise classes.
Inf. Comput., 2003

2002
The Complexity of Graph Isomorphism for Colored Graphs with Color Classes of Size 2 and 3.
Proceedings of the STACS 2002, 19th Annual Symposium on Theoretical Aspects of Computer Science, Antibes, 2002

2001
A nonadaptive NC checker for permutation group intersection.
Theor. Comput. Sci., 2001

Space Bounds for Resolution.
Inf. Comput., 2001

Minimally Unsatisfiable CNF Formulas.
Bull. EATCS, 2001

2000
Nondeterministic Instance Complexity and Hard-to-Prove Tautologies.
Proceedings of the STACS 2000, 2000

1999
Sparse Sets, Approximable Sets, and Parallel Queries to NP.
Inf. Process. Lett., 1999

On Finding the Number of Graph Automorphisms.
Chic. J. Theor. Comput. Sci., 1999

Lower Bounds for Space in Resolution.
Proceedings of the Computer Science Logic, 13th International Workshop, 1999

1998
A Note on the Hardness of Tree Isomorphism.
Proceedings of the 13th Annual IEEE Conference on Computational Complexity, 1998

1997
Parallel Algorithms for the Minimum Cut and the Minimum Length Tree Layout Problems.
Theor. Comput. Sci., 1997

Optimal proof systems for Propositional Logic and complete sets
Electron. Colloquium Comput. Complex., 1997

1996
Parallel Approximation Schemes for Problems on Planar Graphs.
Acta Informatica, 1996

1995
Computing Functions with Parallel Queries to NP.
Theor. Comput. Sci., 1995

The Power of the Middle Bit of a #P Function.
J. Comput. Syst. Sci., 1995

Efficient Parallel Algorithms for some Tree Layout Problems.
Proceedings of the Computing and Combinatorics, First Annual International Conference, 1995

On Finding the Number of Graph Automorphisms.
Proceedings of the Tenth Annual Structure in Complexity Theory Conference, 1995

1993
Parallel Approximation Schemes for problems on planar graphs (Extended Abstract).
Proceedings of the Algorithms - ESA '93, First Annual European Symposium, Bad Honnef, Germany, September 30, 1993

The Graph Isomorphism Problem: Its Structural Complexity
Progress in Theoretical Computer Science, Birkhäuser/Springer, ISBN: 978-1-4612-0333-9, 1993

1992
Turing Machines with Few Accepting Computations and Low Sets for PP.
J. Comput. Syst. Sci., 1992

Graph Isomorphism is Low for PP.
Comput. Complex., 1992

On the Non-Uniform Complexity of the Graph Isomorphism Problem.
Proceedings of the Complexity Theory: Current Research, 1992

On the Nonuniform Complexity on the Graph Isomorphism Problem.
Proceedings of the Seventh Annual Structure in Complexity Theory Conference, 1992

The Power of the Middle Bit.
Proceedings of the Seventh Annual Structure in Complexity Theory Conference, 1992

1991
Self-Reducible Sets of Small Sensity.
Math. Syst. Theory, 1991

Complexity Classes Defined by Counting Quantifiers.
J. ACM, 1991

The MINSUMCUT Problem.
Proceedings of the Algorithms and Data Structures, 1991

1990
Classes of Bounded Nondeterminism.
Math. Syst. Theory, 1990

Counting the Number of Solutions.
Proceedings of the Mathematical Foundations of Computer Science 1990, 1990

1989
On Counting and Approximation.
Acta Informatica, 1989

A Combinatorial Technique for Separating Counting Complexity Classes.
Proceedings of the Automata, Languages and Programming, 16th International Colloquium, 1989

Complexity Classes with Complete Problems Between P and NP-C.
Proceedings of the Fundamentals of Computation Theory, 1989

1988
An oracle characterization of the counting hierarchy.
Proceedings of the Proceedings: Third Annual Structure in Complexity Theory Conference, 1988

Succinct Representations of Counting Problems.
Proceedings of the Applied Algebra, 1988

1987
On The Complexity of Computable Real Sequences.
RAIRO Theor. Informatics Appl., 1987


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