2024
Structured Watermarks for Structured Software.
SN Comput. Sci., June, 2024
Linear-time algorithms for eliminating claws in graphs.
Int. Trans. Oper. Res., January, 2024
Complexity of Deciding the Equality of Matching Numbers.
CoRR, 2024
2023
Theor. Comput. Sci., May, 2023
Helly and strong Helly numbers of B<sub>k</sub>-EPG and B<sub>k</sub>-VPG graphs.
Discuss. Math. Graph Theory, 2023
Thinness and its variations on some graph families and coloring graphs of bounded thinness.
CoRR, 2023
Mixed integer programming and quadratic programming formulations for the interval count problem.
Proceedings of the XII Latin-American Algorithms, Graphs and Optimization Symposium, 2023
2022
Restricted Hamming-Huffman trees.
RAIRO Oper. Res., 2022
A polynomial time algorithm for geodetic hull number for complementary prisms.
RAIRO Theor. Informatics Appl., 2022
Grid straight-line embeddings of trees with a minimum number of bends per path.
Inf. Process. Lett., 2022
On subclasses of interval count two and on Fishburn's conjecture.
Discret. Appl. Math., 2022
Precedence thinness in graphs.
Discret. Appl. Math., 2022
Thinness of product graphs.
Discret. Appl. Math., 2022
Empirical Evaluation of Project Scheduling Algorithms for Maximization of the Net Present Value.
CoRR, 2022
Some New Results on Efficient and Perfect Edge Domination of Graphs.
CoRR, 2022
Edge Intersection Graphs of Paths on a Triangular Grid.
CoRR, 2022
On the computational complexity of the bipartizing matching problem.
Ann. Oper. Res., 2022
Weighted Connected Matchings.
Proceedings of the LATIN 2022: Theoretical Informatics, 2022
2021
On distance graph coloring problems.
Int. Trans. Oper. Res., 2021
Partitioning a Graph into Complementary Subgraphs.
Graphs Comb., 2021
B1-EPG representations using block-cutpoint trees.
CoRR, 2021
Minimum Number of Bends of Paths of Trees in a Grid Embedding.
Proceedings of the XI Latin and American Algorithms, Graphs and Optimization Symposium, 2021
FPT and Kernelization Algorithms for the Induced Tree Problem.
Proceedings of the Algorithms and Complexity - 12th International Conference, 2021
2020
Modelling and solving the perfect edge domination problem.
Optim. Lett., 2020
The Complexity of Helly-B<sub>1</sub> EPG Graph Recognition.
Discret. Math. Theor. Comput. Sci., 2020
Constant threshold intersection graphs of orthodox paths in trees.
Discret. Appl. Math., 2020
FPT and kernelization algorithms for the k-in-a-tree problem.
CoRR, 2020
A perspective on theoretical computer science in Latin America.
Commun. ACM, 2020
2019
New BSP/CGM algorithms for spanning trees.
Int. J. High Perform. Comput. Appl., 2019
Two Problems on Interval Counting.
Proceedings of the tenth Latin and American Algorithms, Graphs and Optimization Symposium, 2019
On the Computational Complexity of the Helly Number in the <i>P</i><sub>3</sub> and Related Convexities.
Proceedings of the tenth Latin and American Algorithms, Graphs and Optimization Symposium, 2019
On the P3-hull number of some products of graphs.
Discret. Appl. Math., 2019
Discret. Appl. Math., 2019
Full Characterization of a Class of Graphs Tailored for Software Watermarking.
Algorithmica, 2019
2018
A computational study of f-reversible processes on graphs.
Discret. Appl. Math., 2018
Recognition and characterization of unit interval graphs with integer endpoints.
Discret. Appl. Math., 2018
On the resilience of canonical reducible permutation graphs.
Discret. Appl. Math., 2018
The convexity of induced paths of order three and applications: Complexity aspects.
Discret. Appl. Math., 2018
On the Geodetic Hull Number of Complementary Prisms.
CoRR, 2018
Perfect edge domination: hard and solvable cases.
Ann. Oper. Res., 2018
And/or-convexity: a graph convexity based on processes and deadlock models.
Ann. Oper. Res., 2018
Bipartizing with a Matching.
Proceedings of the Combinatorial Optimization and Applications, 2018
2017
Generalized threshold processes on graphs.
Theor. Comput. Sci., 2017
Decycling with a matching.
Inf. Process. Lett., 2017
On neighborhood-Helly graphs.
Discret. Appl. Math., 2017
On recognition of threshold tolerance graphs and their complements.
Discret. Appl. Math., 2017
Eliminating Odd Cycles by Removing a Matching.
CoRR, 2017
Exact Algorithms for Minimum Weighted Dominating Induced Matching.
Algorithmica, 2017
2016
On the Complexity of the P<sub>3</sub>-Hull Number of the Cartesian Product of Graphs.
Electron. Notes Discret. Math., 2016
Software control and intellectual property protection in cyber-physical systems.
EURASIP J. Inf. Secur., 2016
Forbidden induced subgraphs for bounded p-intersection number.
Discret. Math., 2016
Near-linear-time algorithm for the geodetic Radon number of grids.
Discret. Appl. Math., 2016
Distance geometry approach for special graph coloring problems.
CoRR, 2016
2015
The Maximum Number of Dominating Induced Matchings.
J. Graph Theory, 2015
A faster algorithm for the cluster editing problem on proper interval graphs.
Inf. Process. Lett., 2015
Efficient and Perfect domination on circular-arc graphs.
Electron. Notes Discret. Math., 2015
On unit interval graphs with integer endpoints.
Electron. Notes Discret. Math., 2015
On f-Reversible Processes on Graphs.
Electron. Notes Discret. Math., 2015
On probe co-bipartite and probe diamond-free graphs.
Discret. Math. Theor. Comput. Sci., 2015
Graphs with few P<sub>4</sub>'s under the convexity of paths of order three.
Discret. Appl. Math., 2015
Parameterized mixed cluster editing via modular decomposition.
CoRR, 2015
Polynomial time algorithm for the k-in-a-tree problem on chordal graphs.
Proceedings of the 13th Cologne Twente Workshop on Graphs and Combinatorial Optimization, 2015
The Graphs of Structured Programming.
Proceedings of the 13th Cologne Twente Workshop on Graphs and Combinatorial Optimization, 2015
Fair Fingerprinting Protocol for Attesting Software Misuses.
Proceedings of the 10th International Conference on Availability, Reliability and Security, 2015
2014
Fast algorithms for some dominating induced matching problems.
Inf. Process. Lett., 2014
Graphs of interval count two with a given partition.
Inf. Process. Lett., 2014
Complexity aspects of the computation of the rank of a graph.
Discret. Math. Theor. Comput. Sci., 2014
Scheduling problem with multi-purpose parallel machines.
Discret. Appl. Math., 2014
On defensive alliances and strong global offensive alliances.
Discret. Appl. Math., 2014
The Carathéodory number of the P<sub>3</sub> convexity of chordal graphs.
Discret. Appl. Math., 2014
Characterization of classical graph classes by weighted clique graphs.
Discret. Appl. Math., 2014
LAGOS'11: Sixth Latin American Algorithms, Graphs, and Optimization Symposium, Bariloche, Argentina - 2011.
Discret. Appl. Math., 2014
On Helly Hypergraphs with Variable Intersection Sizes.
Ars Comb., 2014
O(n) Time Algorithms for Dominating Induced Matching Problems.
Proceedings of the LATIN 2014: Theoretical Informatics - 11th Latin American Symposium, Montevideo, Uruguay, March 31, 2014
2013
On the Carathéodory number of interval and graph convexities.
Theor. Comput. Sci., 2013
The Arboreal Jump Number of an Order.
Order, 2013
Unit Interval Graphs of Open and Closed Intervals.
J. Graph Theory, 2013
Induced Decompositions of Graphs.
J. Graph Theory, 2013
Parallel transitive closure algorithm.
J. Braz. Comput. Soc., 2013
Polynomial time algorithm for the Radon number of grids in the geodetic convexity.
Electron. Notes Discret. Math., 2013
On Minimal and Minimum Hull Sets.
Electron. Notes Discret. Math., 2013
The convexity of induced paths of order three.
Electron. Notes Discret. Math., 2013
Isomorphism of graph classes related to the circular-ones property.
Discret. Math. Theor. Comput. Sci., 2013
On the geodetic Radon number of grids.
Discret. Math., 2013
Normal Helly circular-arc graphs and its subclasses.
Discret. Appl. Math., 2013
On the contour of graphs.
Discret. Appl. Math., 2013
Towards a provably robust graph-based watermarking scheme
CoRR, 2013
Exact algorithms for dominating induced matchings
CoRR, 2013
Algorithmic and structural aspects of the P 3-Radon number.
Ann. Oper. Res., 2013
Towards a Provably Resilient Scheme for Graph-Based Watermarking.
Proceedings of the Graph-Theoretic Concepts in Computer Science, 2013
An O *(1.1939 n ) Time Algorithm for Minimum Weighted Dominating Induced Matching.
Proceedings of the Algorithms and Computation - 24th International Symposium, 2013
Geodetic sets and periphery.
Proceedings of the 12th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, 2013
2012
Exact and approximation algorithms for error-detecting even codes.
Theor. Comput. Sci., 2012
Arboricity, h-index, and dynamic algorithms.
Theor. Comput. Sci., 2012
Reversible iterative graph processes.
Theor. Comput. Sci., 2012
Graph theory and algorithms - Fourth Latin-American Workshop on Cliques in Graphs.
J. Braz. Comput. Soc., 2012
The interval count of interval graphs and orders: a short survey.
J. Braz. Comput. Soc., 2012
Characterization and recognition of Radon-independent sets in split graphs.
Inf. Process. Lett., 2012
On the Convexity Number of Graphs.
Graphs Comb., 2012
The colorful Helly theorem and general hypergraphs.
Eur. J. Comb., 2012
An upper bound on the P<sub>3</sub>-Radon number.
Discret. Math., 2012
Mixed unit interval graphs.
Discret. Math., 2012
Unit and single point interval graphs.
Discret. Appl. Math., 2012
V Latin-American Algorithms, Graphs, and Optimization Symposium - Gramado, Brazil, 2009.
Discret. Appl. Math., 2012
On the Radon Number for P 3-Convexity.
Proceedings of the LATIN 2012: Theoretical Informatics, 2012
Graphs with Few P4's Under the Convexity of Paths of Order Three.
Proceedings of the 11th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, 2012
2011
Irreversible conversion of graphs.
Theor. Comput. Sci., 2011
Algorithms for recognizing bipartite-Helly and bipartite-conformal hypergraphs, .
RAIRO Oper. Res., 2011
Connectivity and diameter in distance graphs.
Networks, 2011
Unit Interval Graphs: A Story with Open Ends.
Electron. Notes Discret. Math., 2011
LAGOS 2011 - VI Latin-American Algorithms, Graphs, and Optimization Symposium.
Electron. Notes Discret. Math., 2011
On the Carathéodory Number for the Convexity of Paths of Order Three.
Electron. Notes Discret. Math., 2011
Partitioning a graph into convex sets.
Discret. Math., 2011
Characterization and representation problems for intersection betweennesses.
Discret. Appl. Math., 2011
Powers of cycles, powers of paths, and distance graphs.
Discret. Appl. Math., 2011
On counting interval lengths of interval graphs.
Discret. Appl. Math., 2011
Subclasses of Normal Helly Circular-Arc Graphs
CoRR, 2011
On subbetweennesses of trees: Hardness, algorithms, and characterizations.
Comput. Math. Appl., 2011
Linear-Time Recognition of Helly Circular-Arc Models and Graphs.
Algorithmica, 2011
The South Zone: Distributed Algorithms for Alliances.
Proceedings of the Stabilization, Safety, and Security of Distributed Systems, 2011
2010
On the Hull Number of Triangle-Free Graphs.
SIAM J. Discret. Math., 2010
Biclique graphs and biclique matrices.
J. Graph Theory, 2010
Parallel Algorithms for Maximal Cliques in Circle Graphs and Unrestricted Depth Search.
RAIRO Theor. Informatics Appl., 2010
Scheduling on parallel machines considering job-machine dependency constraints.
Electron. Notes Discret. Math., 2010
Convex Partitions of Graphs induced by Paths of Order Three.
Discret. Math. Theor. Comput. Sci., 2010
Long cycles and paths in distance graphs.
Discret. Math., 2010
Some remarks on the geodetic number of a graph.
Discret. Math., 2010
The clique operator on circular-arc graphs.
Discret. Appl. Math., 2010
Traces from LAGOS'07: IV Latin American Algorithms, Graphs, and Optimization Symposium Puerto Varas - 2007.
Discret. Appl. Math., 2010
Complexity results related to monophonic convexity.
Discret. Appl. Math., 2010
Extreme Cliques in Interval Graphs.
Ars Comb., 2010
Brief Announcement: On Reversible and Irreversible Conversions.
Proceedings of the Distributed Computing, 24th International Symposium, 2010
2009
Applying Modular Decomposition to Parameterized Cluster Editing Problems.
Theory Comput. Syst., 2009
Short Models for Unit Interval Graphs.
Electron. Notes Discret. Math., 2009
Electron. Notes Discret. Math., 2009
On the Convexity of Paths of Length Two in Undirected Graphs.
Electron. Notes Discret. Math., 2009
The Colorful Helly Property for Hypergraphs.
Electron. Notes Discret. Math., 2009
Characterizations and recognition of circular-arc graphs and subclasses: A survey.
Discret. Math., 2009
On the computation of the hull number of a graph.
Discret. Math., 2009
Scheduling unit time jobs with integer release dates to minimize the weighted number of tardy jobs.
Ann. Oper. Res., 2009
Cycles, Paths, Connectivity and Diameter in Distance Graphs.
Proceedings of the Graph-Theoretic Concepts in Computer Science, 2009
Exact and Experimental Algorithms for a Huffman-Based Error Detecting Code.
Proceedings of the Theory and Applications of Models of Computation, 6th Annual Conference, 2009
2008
Unit Circular-Arc Graph Representations and Feasible Circulations.
SIAM J. Discret. Math., 2008
Improved algorithms for recognizing p.
Inf. Process. Lett., 2008
On cliques of Helly Circular-arc Graphs.
Electron. Notes Discret. Math., 2008
Electron. Notes Discret. Math., 2008
Clique trees of chordal graphs: leafage and 3-asteroidals.
Electron. Notes Discret. Math., 2008
Algorithmic Aspects of Monophonic Convexity.
Electron. Notes Discret. Math., 2008
Linear-Interval Dimension and PI Orders.
Electron. Notes Discret. Math., 2008
On Hereditary Helly Classes of Graphs.
Discret. Math. Theor. Comput. Sci., 2008
On the strong p-Helly property.
Discret. Appl. Math., 2008
Algorithms for finding clique-transversals of graphs.
Ann. Oper. Res., 2008
A Simple Linear Time Algorithm for the Isomorphism Problem on Proper Circular-Arc Graphs.
Proceedings of the Algorithm Theory, 2008
2007
Faster recognition of clique-Helly and hereditary clique-Helly graphs.
Inf. Process. Lett., 2007
On transitive orientations with restricted covering graphs.
Inf. Process. Lett., 2007
Convex Partitions of Graphs.
Electron. Notes Discret. Math., 2007
Characterization and recognition of generalized clique-Helly graphs.
Discret. Appl. Math., 2007
On the generation of bicliques of a graph.
Discret. Appl. Math., 2007
Proper Helly Circular-Arc Graphs.
Proceedings of the Graph-Theoretic Concepts in Computer Science, 2007
2006
Computational Aspects of the Helly Property: a Survey.
J. Braz. Comput. Soc., 2006
Complexity aspects of generalized Helly hypergraphs.
Inf. Process. Lett., 2006
Algorithms for clique-independent sets on subclasses of circular-arc graphs.
Discret. Appl. Math., 2006
Characterizing Intersection Graphs of Substars of a Star.
Ars Comb., 2006
On clique-perfect and K-perfect graphs.
Ars Comb., 2006
Efficient construction of unit circular-arc models.
Proceedings of the Seventeenth Annual ACM-SIAM Symposium on Discrete Algorithms, 2006
Applying Modular Decomposition to Parameterized Bicluster Editing.
Proceedings of the Parameterized and Exact Computation, Second International Workshop, 2006
Characterizations and Linear Time Recognition of Helly Circular-Arc Graphs.
Proceedings of the Computing and Combinatorics, 12th Annual International Conference, 2006
2005
Generating bicliques of a graph in lexicographic order.
Theor. Comput. Sci., 2005
RAIRO Theor. Informatics Appl., 2005
The Helly property on subfamilies of limited size.
Inf. Process. Lett., 2005
A forbidden subgraph characterization of path graphs.
Electron. Notes Discret. Math., 2005
A representation for the modular-pairs of a P<sub>4</sub>-reducible graph by modular decomposition.
Electron. Notes Discret. Math., 2005
The Helly property on subhypergraphs.
Electron. Notes Discret. Math., 2005
On extensions, linear extensions, upsets and downsets of ordered sets.
Discret. Math., 2005
2004
A representation for the modular-pairs of a cograph by modular decomposition.
Electron. Notes Discret. Math., 2004
Clique-independent sets of Helly circular-arc graphs.
Electron. Notes Discret. Math., 2004
Treelike Comparability Graphs.
Electron. Notes Discret. Math., 2004
Discret. Appl. Math., 2004
A Huffman-Based Error Detecting Code.
Proceedings of the Experimental and Efficient Algorithms, Third International Workshop, 2004
A Coarse-Grained Parallel Algorithm for Spanning Tree and Connected Components.
Proceedings of the Euro-Par 2004 Parallel Processing, 2004
2003
Optimal binary search trees with costs depending on the access paths.
Theor. Comput. Sci., 2003
The stable marriage problem with restricted pairs.
Theor. Comput. Sci., 2003
Self-clique graphs and matrix permutations.
J. Graph Theory, 2003
A Representation for the Modules of a Graph and applications.
J. Braz. Comput. Soc., 2003
Efficient Parallel Implementation of Transitive Closure of Digraphs.
Proceedings of the Recent Advances in Parallel Virtual Machine and Message Passing Interface,10th European PVM/MPI Users' Group Meeting, Venice, Italy, September 29, 2003
Generating All Forest Extensions of a Partially Ordered Set.
Proceedings of the Algorithms and Complexity, 5th Italian Conference, 2003
On the Generation of Extensions of a Partially Ordered Set.
Proceedings of the Algorithms and Complexity, 5th Italian Conference, 2003
Optimal Binary Search Trees with Costs Depending on the Access Paths.
Proceedings of the Algorithms and Complexity, 5th Italian Conference, 2003
2002
Edge clique graphs and some classes of chordal graphs.
Discret. Math., 2002
A note on transitive orientations with maximum sets of sources and sinks.
Discret. Appl. Math., 2002
On Clique-Transversals and Clique-Independent Sets.
Ann. Oper. Res., 2002
A Parallel Algorithm for Transitive Closure.
Proceedings of the International Conference on Parallel and Distributed Computing Systems, 2002
2001
On the helly defect of a graph.
J. Braz. Comput. Soc., 2001
Electron. Notes Discret. Math., 2001
Stable marriages with restricted pairs.
Electron. Notes Discret. Math., 2001
A sufficient condition for self-clique graphs.
Electron. Notes Discret. Math., 2001
A Characterization of Edge Clique Graphs.
Ars Comb., 2001
A Coarse-Grained Parallel Algorithm for Maximal Cliques in Circle Graphs.
Proceedings of the Computational Science - ICCS 2001, 2001
2000
Clique-inverse graphs of <i>K</i><sub>3</sub>-free and <i>K</i><sub>4</sub>-free graphs.
J. Graph Theory, 2000
On Extensions, Linear Extensions, Upsets and Downsets of Ordered Sets (Extended Abstract).
Electron. Notes Discret. Math., 2000
1999
Generating all the Acyclic Orientations of an Undirected Graph.
Inf. Process. Lett., 1999
Linear-time Algorithms for Maximum Sets of Sources and sinks.
Electron. Notes Discret. Math., 1999
Recognizing Clique Graphs of Directed and Rooted Path Graphs.
Discret. Appl. Math., 1999
Even and Odd Pairs in Comparability and in P4-comparability Graphs.
Discret. Appl. Math., 1999
1998
Iterated clique graphs with increasing diameters.
J. Graph Theory, 1998
On clique-complete graphs.
Discret. Math., 1998
Characterizing and Edge-colouring Split-indifference Graphs.
Discret. Appl. Math., 1998
1997
Recognizing Clique-Helly Graphs.
Ars Comb., 1997
On Computing All Maximal Cliques Distributedly.
Proceedings of the Solving Irregularly Structured Problems in Parallel, 1997
1995
On clique convergent graphs.
Graphs Comb., 1995
On edge transitivity of directed graphs.
Discret. Math., 1995
1994
Clique Graphs of Chordal and Path Graphs.
SIAM J. Discret. Math., 1994
Enumerating the Kernels of a Directed Graph with no Odd Circuits.
Inf. Process. Lett., 1994
1993
On Finding Euler Tours in Parallel.
Parallel Process. Lett., 1993
1987
A Note on the Computation of the k-Closure of a Graph.
Inf. Process. Lett., 1987
Job shop scheduling with unit time operations under resource constraints and release dates.
Discret. Appl. Math., 1987
Minimizing Mean Flow-Time with Parallel Processors and Resource Constraints.
Acta Informatica, 1987
1985
On digraphs with a rooted tree structure.
Networks, 1985
Orientations with single source and sink.
Discret. Appl. Math., 1985
1984
Optimal Multiway Search Trees for Variable Size Keys.
Acta Informatica, 1984
1982
Hamilton Paths in Grid Graphs.
SIAM J. Comput., 1982
1979
Systems of Distinct Representatives for k Families of Sets.
Inf. Process. Lett., 1979
1978
Some Properties of Ternary Trees.
Comput. J., 1978
1974
Erratum: A Structured Program to Generate all Topological Sorting Arrangements.
Inf. Process. Lett., 1974
A Structured Program to Generate all Topological Sorting Arrangements.
Inf. Process. Lett., 1974