Renato Portugal

72 papers B 2C 1Misc 1Journal 65Unranked 2
YearRankTypeTitle / Venue / Authors
2025 J jnl
A Gate-Based Quantum Genetic Algorithm for Real-Valued Global Optimization.
CoRR
Leandro C. Souza, Laurent Emmanuel Dardenne, Renato Portugal
2025 J jnl
Efficient Circuit Implementations of Continuous-Time Quantum Walks for Quantum Search.
Entropy
Renato Portugal, Jalil Khatibi Moqadam
2025 J jnl
Quantum Search on Bipartite Multigraphs.
CoRR
Gustavo Alves Bezerra, Andris Ambainis, Renato Portugal
2025 J jnl
Single-Qudit Quantum Neural Networks for Multiclass Classification.
CoRR
Leandro C. Souza, Renato Portugal
2025 J jnl
Single-qudit quantum neural networks for multiclass classification.
Quantum Inf. Process.
Leandro C. Souza, Renato Portugal
2024 J jnl
Hiperwalk: Simulation of Quantum Walks with Heterogeneous High-Performance Computing.
CoRR
Paulo Motta, Gustavo Alves Bezerra, Anderson Fernandes P. Santos, Renato Portugal
2024 J jnl
Multimarked Spatial Search by Continuous-Time Quantum Walk.
ACM Trans. Quantum Comput.
Pedro H. G. Lugão, Renato Portugal, Mohamed Sabri, Hajime Tanaka
2024 J jnl
Quantum search by continuous-time quantum walk on t-designs.
Quantum Inf. Process.
Pedro H. G. Lugão, Renato Portugal
2024 J jnl
Regression and Classification with Single-Qubit Quantum Neural Networks.
CoRR
Leandro C. Souza, Bruno C. Guingo, Gilson A. Giraldi, Renato Portugal
2023 Misc conf
Hiperwalk: Simulation of Quantum Walks with Heterogeneous High-Performance Computing.
QCE
Paulo Motta, Gustavo Alves Bezerra, Anderson Fernandes P. Santos, Renato Portugal
2023 J jnl
Quantum Counting by Quantum Walks.
CoRR
Gustavo Alves Bezerra, Raqueline A. M. Santos, Renato Portugal
2023 J jnl
Quantum search by continuous-time quantum walk on t-designs.
CoRR
Pedro H. G. Lugão, Renato Portugal
2023 J jnl
Steane code analysis by randomized benchmarking.
RAIRO Oper. Res.
Anderson de Souza Barbosa, Franklin de Lima Marquezino, Renato Portugal
2023 J jnl
Walking on vertices and edges by continuous-time quantum walk.
Quantum Inf. Process.
Cauê F. Teixeira da Silva, Daniel Posner, Renato Portugal
2022 J jnl
A quantum approach to the discretizable molecular distance geometry problem.
Quantum Inf. Process.
Carlile Lavor, Franklin L. Marquezino, Andrês Oliveira, Renato Portugal
2022 J jnl
Basic Quantum Algorithms.
CoRR
Renato Portugal
2022 J jnl
Multimarked Spatial Search by Continuous-Time Quantum Walk.
CoRR
Pedro H. G. Lugão, Renato Portugal, Mohamed Sabri, Hajime Tanaka
2022 J jnl
Spatial search on Johnson graphs by continuous-time quantum walk.
Quantum Inf. Process.
Hajime Tanaka, Mohamed Sabri, Renato Portugal
2022 J jnl
Total tessellation cover: Bounds, hardness, and applications.
Discret. Appl. Math.
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Celina M. H. de Figueiredo, Franklin L. Marquezino, Daniel Posner, Renato Portugal
2022 J jnl
Walking on Vertices and Edges by Continuous-Time Quantum Walk.
CoRR
Cauê F. Teixeira da Silva, Daniel Posner, Renato Portugal
2021 J jnl
A computational complexity comparative study of graph tessellation problems.
Theor. Comput. Sci.
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Celina M. H. de Figueiredo, Luis A. B. Kowada, Franklin L. Marquezino, Renato Portugal, Daniel Posner
2021 J jnl
Quantum Walk on the Generalized Birkhoff Polytope Graph.
Entropy
Rafael Cação, Lucas R. C. T. Cortez, Ismael R. de Farias Jr., Ernee Kozyreff, Jalil Khatibi Moqadam, Renato Portugal
2021 J jnl
Quantum walk-based search algorithms with multiple marked vertices.
CoRR
Gustavo Alves Bezerra, Pedro H. G. Lugão, Renato Portugal
2021 J jnl
Spatial Search on Johnson Graphs by Continuous-Time Quantum Walk.
CoRR
Hajime Tanaka, Mohamed Sabri, Renato Portugal
2021 J jnl
Spatial Search on Johnson Graphs by Discrete-Time Quantum Walk.
CoRR
Hajime Tanaka, Mohamed Sabri, Renato Portugal
2020 — conf
Discrete-Time Quantum Walks on Oriented Graphs.
QSQW
Bruno Chagas, Renato Portugal
2020 J jnl
Implementation of quantum walks on IBM quantum computers.
Quantum Inf. Process.
Frank Acasiete, Flavia P. Agostini, Jalil Khatibi Moqadam, Renato Portugal
2020 J jnl
The graph tessellation cover number: Chromatic bounds, efficient algorithms and hardness.
Theor. Comput. Sci.
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Celina M. H. de Figueiredo, Luis A. B. Kowada, Franklin L. Marquezino, Daniel Posner, Renato Portugal
2020 J jnl
Total tessellation cover and quantum walk.
CoRR
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Celina M. H. de Figueiredo, Franklin L. Marquezino, Daniel Posner, Renato Portugal
2019 — book
A Primer on Quantum Computing
Franklin de Lima Marquezino, Renato Portugal, Carlile Lavor
2019 J jnl
Discretization of continuous-time quantum walks via the staggered model with Hamiltonians.
Nat. Comput.
Gabriel Coutinho, Renato Portugal
2019 J jnl
The Tessellation Cover Number of Good Tessellable Graphs.
CoRR
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Celina M. H. de Figueiredo, Luis A. B. Kowada, Franklin L. Marquezino, Renato Portugal, Daniel Posner
2018 J jnl
Element distinctness revisited.
Quantum Inf. Process.
Renato Portugal
2018 J jnl
Partition-based discrete-time quantum walks.
Quantum Inf. Process.
Norio Konno, Renato Portugal, Iwao Sato, Etsuo Segawa
2018 J jnl
Quantum walks via quantum cellular automata.
Quantum Inf. Process.
Pedro C. S. Costa, Renato Portugal, Fernando de Melo
2018 B conf
The Graph Tessellation Cover Number: Extremal Bounds, Efficient Algorithms and Hardness.
LATIN
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Tharso D. Fernandes, Celina M. H. de Figueiredo, Luis A. B. Kowada, Franklin L. Marquezino, Daniel Posner, Renato Portugal
2017 J jnl
Determining the Efficiency of Quantum Search Algorithms with the Renormalization Group.
CoRR
Stefan Boettcher, Shanshan Li, Tharso D. Fernandes, Renato Portugal
2017 J jnl
Element Distinctness Revisited.
CoRR
Renato Portugal
2017 J jnl
Exact simulation of coined quantum walks with the continuous-time model.
Quantum Inf. Process.
Pascal Philipp, Renato Portugal
2017 J jnl
Parallel algorithms for modular multi-exponentiation.
Appl. Math. Comput.
Fábio Borges, Pedro C. S. Lara, Renato Portugal
2017 J jnl
The graph tessellation cover number: extremal bounds, efficient algorithms and hardness.
CoRR
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Tharso D. Fernandes, Celina M. H. de Figueiredo, Luis A. B. Kowada, Franklin L. Marquezino, Daniel Posner, Renato Portugal
2017 J jnl
The tessellation problem of quantum walks.
CoRR
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Tharso D. Fernandes, Celina M. H. de Figueiredo, Luis A. B. Kowada, Franklin L. Marquezino, Daniel Posner, Renato Portugal
2016 J jnl
Establishing the equivalence between Szegedy's and coined quantum walks using the staggered model.
Quantum Inf. Process.
Renato Portugal
2016 J jnl
The staggered quantum walk model.
Quantum Inf. Process.
Renato Portugal, Raqueline A. M. Santos, Tharso D. Fernandes, Demerson N. Gonçalves
2015 C conf
An Efficient One-Bit Model for Differential Fault Analysis on Simon Family.
FDTC
Juan del Carmen Grados Vasquez, Fábio Borges, Renato Portugal, Pedro C. S. Lara
2015 J jnl
Moments of coinless quantum walks on lattices.
Quantum Inf. Process.
Raqueline Azevedo Medeiros Santos, Renato Portugal, Stefan Boettcher
2015 J jnl
Quantum walks on a circle with optomechanical systems.
Quantum Inf. Process.
Jalil Khatibi Moqadam, Renato Portugal, Marcos César de Oliveira
2015 J jnl
Spatial search on grids with minimum memory.
Quantum Inf. Comput.
Andris Ambainis, Renato Portugal, Nikolay Nahimov
2014 J jnl
A new hybrid classical-quantum algorithm for continuous global optimization problems.
J. Glob. Optim.
Pedro C. S. Lara, Renato Portugal, Carlile Lavor
2014 J jnl
Decoherence in quantum Markov chains.
Quantum Inf. Process.
Raqueline Azevedo Medeiros Santos, Renato Portugal, Marcelo Dutra Fragoso
2013 J jnl
Non-Pauli observables for CWS codes.
Quantum Inf. Process.
Douglas F. G. Santiago, Renato Portugal, Nolmar Melo
2012 J jnl
Decoder for Nonbinary CWS Quantum Codes
CoRR
Nolmar Melo, Douglas F. G. Santiago, Renato Portugal
2012 J jnl
Non-Pauli Observables for CWS Codes
CoRR
Douglas F. G. Santiago, Renato Portugal, Nolmar Melo
2012 J jnl
Parallel modular exponentiation using load balancing without precomputation.
J. Comput. Syst. Sci.
Pedro C. S. Lara, Fábio Borges, Renato Portugal, Nadia Nedjah
2012 J jnl
Spatial quantum search in a triangular network.
Math. Struct. Comput. Sci.
Gonzalo Abal, Raul Donangelo, M. Forets, Renato Portugal
2011 B conf
Quantum search algorithms on hierarchical networks.
ITW
Franklin de Lima Marquezino, Renato Portugal, Stefan Boettcher
2010 J jnl
Mixing Times in Quantum Walks on Two-Dimensional Grids.
CoRR
Franklin L. Marquezino, Renato Portugal, Gonzalo Abal
2010 J jnl
Obtaining the Quantum Fourier Transform from the Classical FFT with QR Decomposition.
CoRR
Franklin L. Marquezino, Renato Portugal, Fernando Deeke Sasse
2010 J jnl
Obtaining the Quantum Fourier Transform from the classical FFT with QR decomposition.
J. Comput. Appl. Math.
Franklin L. Marquezino, Renato Portugal, Fernando Deeke Sasse
2010 J jnl
Spatial search in a honeycomb network.
CoRR
Gonzalo Abal, Raul Donangelo, Franklin L. Marquezino, Renato Portugal
2010 J jnl
Spatial search on a honeycomb network.
Math. Struct. Comput. Sci.
Gonzalo Abal, Raul Donangelo, Franklin L. Marquezino, Renato Portugal
2009 J jnl
Decoherence in Search Algorithms.
CoRR
Gonzalo Abal, Raul Donangelo, Franklin L. Marquezino, Amanda C. Oliveira, Renato Portugal
2009 — conf
Solutions to the Hidden Subgroup Problem on Some Metacyclic Groups.
TCQ
Demerson N. Gonçalves, Renato Portugal, Carlos Magno Martins Cosme
2008 J jnl
The Invar tensor package: Differential invariants of Riemann
CoRR
José M. Martín-García, David Yllanes, Renato Portugal
2008 J jnl
The Invar tensor package: Differential invariants of Riemann.
Comput. Phys. Commun.
José M. Martín-García, David Yllanes, Renato Portugal
2008 J jnl
The QWalk Simulator of Quantum Walks.
CoRR
Franklin L. Marquezino, Renato Portugal
2008 J jnl
The QWalk simulator of quantum walks.
Comput. Phys. Commun.
Franklin L. Marquezino, Renato Portugal
2007 J jnl
The Invar Tensor Package
CoRR
José M. Martín-García, Renato Portugal, Leon R. U. Manssur
2007 J jnl
The Invar tensor package.
Comput. Phys. Commun.
José M. Martín-García, Renato Portugal, Leon R. U. Manssur
2006 J jnl
Reversible Karatsuba's Algorithm.
J. Univers. Comput. Sci.
Luis Antonio Brasil Kowada, Renato Portugal, Celina M. H. de Figueiredo
2004 J jnl
Genetic Algorithms and Quantum Computation
CoRR
Gilson A. Giraldi, Renato Portugal, Ricardo N. Thess
1999 J jnl
Computer algebra takes on the vibrating-membrane problem.
Comput. Sci. Eng.
Daniel Frenkel, Laura Golebiowski, Renato Portugal