My research is partially supported by a CNPq research fellowship (level 1A), by CNPq Universal projects, and by FAPERJ "Cientista do Nosso Estado" awards.

Here are my current research interests, classified according to the Mathematics Subject Classification:

- 05-xx Combinatorics
- 05Cxx Graph theory
- 05C10 Topological graph theory
- 05C15 Coloring of graphs and hypergraphs
- 05C17 Perfect graphs
- 05C35 Extremal problems
- 05C60 Isomorphism problems
- 05C75 Structural characterization of types of graphs
- 05C85 Graph algorithms

- 05Cxx Graph theory
- 68-xx Computer science
- 68Qxx Theory of computing
- 68Q15 Complexity classes
- 68Q17 Computational difficulty of problems
- 68Q25 Analysis of algorithms and problem complexity

- 68Rxx Discrete mathematics in relation to computer science
- 68R05 Combinatorics
- 68R10 Graph theory

- 68Qxx Theory of computing
- 90-xx Economics, operations research, programming, games
- 90Cxx Mathematical programming
- 90C27 Combinatorial optimization

- 90Cxx Mathematical programming