2026
17th Latin 2026
UFSC in Florianópolis
- Emanuel Juliano — Computing fixed point free automorphisms of graphsE Juliano / talk - Computing fixed point free automorphisms of graphs
Conferences
2026
27th ILAS 2026
Virginia Tech (Blacksburg VA)
- Emanuel Juliano — A graph energy conjecture through the lenses of semidefinite programmingE Juliano / talk - A graph energy conjecture through the lenses of semidefinite programming
- Henrique Assumpção — Semidefinite programming bounds on fractional cut-cover and maximum 2-SAT for highly regular graphsH Assumpção / talk - Semidefinite programming bounds on fractional cut-cover and maximum 2-SAT for highly regular graphs
- Gabriel Coutinho — Spectral Graph TheoryG Coutinho / minisymposium - Spectral Graph Theory
2025
12th PhD Summer School in Discrete Mathematics
Koper, Slovenia
- Emanuel Juliano — Graph energy through the lenses of semidefinite programmingE Juliano / abstract - Graph energy through the lenses of semidefinite programming
2025
5th Pythagorean Conference
Kalamata, Greece
- Emanuel Juliano — Fixed Point Free Automorphisms in Graphs ClassesE Juliano / abstract - Fixed Point Free Automorphisms in Graphs Classes
2025
Algebraic Graph Theory and Applications 2025
BIRS Banff
- Gabriel Coutinho — organizerGabriel Coutinho - organizer
- Emanuel Juliano — Graph energy of highly regular graphsE Juliano / talk - Graph energy of highly regular graphs
2025
CNMAC 2025
FGV RJ
- Gabriel Coutinho — The largest k-colourable subgraph and eigenvaluesG Coutinho / abstract - The largest k-colourable subgraph and eigenvalues
- Henrique Assumpção — Combinatorial parameters of graphs in association schemesH Assumpção / abstract - Combinatorial parameters of graphs in association schemes
- Laila Vaz — Convexidade cíclica em grafosL Vaz / abstract - Convexidade cíclica em grafos
- Danilo Vomlel, Frederico Cançado, Felipe Eduardo, Luan Costa, Thiago Assis — posterposters by T Assis, F Eduardo, F Cançado, L Costa, D Vomlel
2025
Colóquio Brasileiro de Matemática 2025
IMPA RJ
- Gabriel Coutinho — Progress towards the Bollobás-Nikiforov conjectureGabriel Coutinho / invited talk to Combinatorics session - Progress towards the Bollobás-Nikiforov conjecture
2025
ILAS 2025
Kaohsiung
- Emanuel Juliano — Spectral upper bounds for the Grundy number of a graphE Juliano / talk - Spectral upper bounds for the Grundy number of a graph
2025
Paraty Quantum 2025
Paraty RJ
- Frederico Cançado — How to make cheaper and lossless qubit tranfer data minimizing decoherenceF Cançado / poster - How to make cheaper and lossless qubit tranfer data minimizing decoherence
- Pedro Baptista — A mathematical foundation for self-testing: lifting common assumptionsP Baptista / poster - A mathematical foundation for self-testing: lifting common assumptions
2025
VIII < WECIQ | WCQ > 2025
UFSC in Florianópolis
- Thiago Assis — Hardware Efficient Framework for QAOAT Assis / talk - Hardware Efficient Framework for QAOA
- Luan Costa — Generative QAOA and Its Application to Portfolio OptimizationLH Costa / talk - Generative QAOA and Its Application to Portfolio Optimization
- Thiago Assis, Pedro Faria — posterposters by T Assis, P Faria.
2025
WSGT 2025
Gramado RS
- Gabriel Coutinho — Eigenvalue sumsG Coutinho / plenary talk - Eigenvalue sums
- Paula Fialho, Frederico Cançado, Pedro Baptista, Thiago Assis — posterposters by T Assis, F Cançado, P Fialho, P Baptista
2024
CNMAC 2024
Porto de Galinhas PE
- Primal-dual Inequalities for the Approximate Maximum-cut Value of Graphs in Homogeneous Coherent Configurations- H Assumpção, G Coutinho / abstract + talk - Primal-dual Inequalities for the Approximate Maximum-cut Value of Graphs in Homogeneous Coherent Configurations
- Quantum Compact Graphs- T Assis, P Baptista, G Coutinho, C Godsil / abstract + talk - Quantum Compact Graphs
- Comparison of Machine Learning Models for Porosity Prediction- P Baptista, TJ Spier, H Versieux, C Carvalho, M Oliveira / abstract + talk - Comparison of Machine Learning Models for Porosity Prediction
- Soffía Árnadóttir — Bi-Cayley graphs and spectra.- AS Arnadóttir / talk - Bi-Cayley graphs and spectra.
- Frederico Cançado — Common equitable partitions.- F Cançado / talk - Common equitable partitions.
2024
QIP 2024
Taipei
- A mathematical foundation for self-testing: Lifting common assumptions- P Baptista, R Chen, J Kaniewski, DR Lolck, L Mančinska, TG Nielsen, S Schmidt / talk - A mathematical foundation for self-testing: Lifting common assumptions
2023
EGPCIQ 2023
CEFET / RJ
- Gabriel Coutinho — Continuous-time quantum walks and spectral graph theory- Gabriel Coutinho / talk - Continuous-time quantum walks and spectral graph theory
- Frederico Cançado — Orthogonal polynomials and quantum walks- Frederico Cançado / poster - Orthogonal polynomials and quantum walks
- Emanuel Juliano — Strongly cospectral vertices in trees- Emanuel Juliano / poster - Strongly cospectral vertices in trees
- Pedro Baptista — Quantum walks in the normalized Laplacian- Pedro Baptista / poster - Quantum walks in the normalized Laplacian
- Matheus Aquino — Exploring the QAOA for the Sherrington-Kirkpatrick problem- Matheus Aquino / poster - Exploring the QAOA for the Sherrington-Kirkpatrick problem
2023
2023
ILAS 2023
Universidad Politécnica de Madrid
- Spectra of TreesTJ Spier, E Juliano, G Coutinho / abstract - Spectra of Trees
2023
WSGT 2023
UFF / RJ
- Forbidden Structures in Integral Trees- E Juliano, G Coutinho, TJ Spier / abstract + talk - Forbidden Structures in Integral Trees
- Irrational quantum walks-P Baptista, G Coutinho, C Godsil, TJ Spier, R Werner / abstract + talk - Irrational quantum walks
- Alternative average mixigin matrices of quantum walks- VM Rodrigues, G Coutinho, P Baptista / abstract + talk - Alternative average mixigin matrices of quantum walks
- A semidefinite programming approach to alpha_0(G)- T Oliveira, G Coutinho / abstract + talk - A semidefinite programming approach to alpha_0(G)
- Spectral k-way partitioning revisited through conjectures on an alternative approach to graph expansion- Prado, G Coutinho, P Fialho / abstract + poster - Spectral k-way partitioning revisited through conjectures on an alternative approach to graph expansion
2022
LAWCG 2022
UFPR Curitiba
- Chordal Thinness- B Amorim, G Coutinho, VF Santos / abstract - Chordal Thinness
- On a semidefinite relaxation for the maximum k-colourable subgraph problem- MKC Silva, G Coutinho, R Grandise, T Oliveira / abstract - On a semidefinite relaxation for the maximum k-colourable subgraph problem
2022
Ontario Combinatorics Workshop 2022
University of Waterloo
- Gabriel Coutinho — Pretty Good State TransferGabriel Coutinho / plenary speaker - Pretty Good State Transfer
2019
Analytical and combinatorial aspects of quantum information theory 2019
ICMS Edinburgh
- Gabriel Coutinho — The average mixing matrix of a continuous-time quantum walkGabriel Coutinho / talk : The average mixing matrix of a continuous-time quantum walk
2019
ILAS 2019
FGV / Rio de Janeiro
- Gabriel Coutinho — Graph Theory and Quantum WalksGabriel Coutinho / minicourse : Graph Theory and Quantum Walks
2019
LAGOS 2019
Tauá Resort / Caéte MG
- Algebras, Graphs and Thetas- MKC Silva, G Coutinho, C Godsil, DE Roberson / article - Algebras, Graphs and Thetas
- Colouring the Normalized Laplacian- G Coutinho, R Grandsire, C Passos / article - Colouring the Normalized Laplacian
2019
Quantum Walks and Information Tasks 2019
BIRS / BANFF
- Gabriel Coutinho — Open problems in continuous-time quantum walksGabriel Coutinho / talk : Open problems in continuous-time quantum walks
2018
LAAW 2018 - ICM 2018 Satellite Event
Universidade Federal Fluminense
- Gabriel Coutinho — Average Mixing Matrix : A quantum walk jewelGabriel Coutinho / talk : Average Mixing Matrix : A quantum walk jewel
2017
2017 Meeting of the International Linear Algebra Society
Iowa State University
- Gabriel Coutinho — Quantum walks on treesGabriel Coutinho / talk : Quantum walks on trees
2017
Algebraic and Extremal Graph Theory Conference 2017
University of Delaware
- Gabriel Coutinho — Average Mixing MatrixGabriel Coutinho / talk : Average Mixing Matrix
2015
CANADAM 2015
University of Saskatchewan
- Gabriel Coutinho — Graph Spectra and Quantum WalksGabriel Coutinho / talk : Graph Spectra and Quantum Walks
2015
Systems of Lines: Applications of Algebraic Combinatorics
Worcester Polytechnic Institute
- Gabriel Coutinho — Lines and Covers of Complete GraphsGabriel Coutinho / talk : Lines and Covers of Complete Graphs
2014
Exact Solvability and Symmetry Avatars, Conference held on the occasion of Luc Vinet's 60th birthday
University of Waterloo
- Gabriel Coutinho — Perfect state transfer on treesGabriel Coutinho / talk : Perfect state transfer on trees
2014
Godsil 65, 2014
University of Waterloo
- Gabriel Coutinho — New examples of perfect state transferGabriel Coutinho / talk : New examples of perfect state transfer
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