Renato Portugal

Publication Activity (10 Years)

Years Active: 1999-2024
Publications (10 Years): 39

Top Topics

Search Algorithm

Distances Between Data Points

Quantum Computing

Global Optimization Problems

Top Venues

Quantum Inf. Process.

Theor. Comput. Sci.

Publications

Paulo Motta, Gustavo A. Bezerra, Anderson Fernandes P. Santos, Renato Portugal
Hiperwalk: Simulation of Quantum Walks with Heterogeneous High-Performance Computing. CoRR (2024)
Pedro H. G. Lugão, Renato Portugal
Quantum search by continuous-time quantum walk on t-designs. Quantum Inf. Process. 23 (4) (2024)
Anderson de Souza Barbosa, Franklin de Lima Marquezino, Renato Portugal
Steane code analysis by randomized benchmarking. RAIRO Oper. Res. 57 (2) (2023)
Paulo Motta, Gustavo A. Bezerra, Anderson Fernandes P. Santos, Renato Portugal
Hiperwalk: Simulation of Quantum Walks with Heterogeneous High-Performance Computing. QCE (2023)
Gustavo A. Bezerra, Raqueline A. M. Santos, Renato Portugal
Quantum Counting by Quantum Walks. CoRR (2023)
Pedro H. G. Lugão, Renato Portugal
Quantum search by continuous-time quantum walk on t-designs. CoRR (2023)
Cauê F. Teixeira da Silva, Daniel Posner, Renato Portugal
Walking on vertices and edges by continuous-time quantum walk. Quantum Inf. Process. 22 (2) (2023)
Hajime Tanaka, Mohamed Sabri, Renato Portugal
Spatial search on Johnson graphs by continuous-time quantum walk. Quantum Inf. Process. 21 (2) (2022)
Renato Portugal
Basic Quantum Algorithms. CoRR (2022)
Pedro H. G. Lugão, Renato Portugal, Mohamed Sabri, Hajime Tanaka
Multimarked Spatial Search by Continuous-Time Quantum Walk. CoRR (2022)
Carlile Lavor, Franklin L. Marquezino, Andrês Oliveira, Renato Portugal
A quantum approach to the discretizable molecular distance geometry problem. Quantum Inf. Process. 21 (7) (2022)
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Celina M. H. de Figueiredo, Franklin L. Marquezino, Daniel Posner, Renato Portugal
Total tessellation cover: Bounds, hardness, and applications. Discret. Appl. Math. 323 (2022)
Caue F. T. Silva, Daniel Posner, Renato Portugal
Walking on Vertices and Edges by Continuous-Time Quantum Walk. CoRR (2022)
Hajime Tanaka, Mohamed Sabri, Renato Portugal
Spatial Search on Johnson Graphs by Discrete-Time Quantum Walk. CoRR (2021)
Rafael Cação, Lucas Cortez, Ismael R. de Farias Jr., Ernee Kozyreff, Jalil Khatibi Moqadam, Renato Portugal
Quantum Walk on the Generalized Birkhoff Polytope Graph. Entropy 23 (10) (2021)
Hajime Tanaka, Mohamed Sabri, Renato Portugal
Spatial Search on Johnson Graphs by Continuous-Time Quantum Walk. CoRR (2021)
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Celina M. H. de Figueiredo, Luis Antonio Brasil Kowada, Franklin L. Marquezino, Renato Portugal, Daniel Posner
A computational complexity comparative study of graph tessellation problems. Theor. Comput. Sci. 858 (2021)
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Celina M. H. de Figueiredo, Luis Antonio Brasil Kowada, Franklin L. Marquezino, Daniel Posner, Renato Portugal
The graph tessellation cover number: Chromatic bounds, efficient algorithms and hardness. Theor. Comput. Sci. 801 (2020)
Bruno Chagas, Renato Portugal
Discrete-Time Quantum Walks on Oriented Graphs. QSQW (2020)
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Celina M. H. de Figueiredo, Franklin L. Marquezino, Daniel Posner, Renato Portugal
Total tessellation cover and quantum walk. CoRR (2020)
F. Acasiete, Flavia P. Agostini, Jalil Khatibi Moqadam, Renato Portugal
Implementation of quantum walks on IBM quantum computers. Quantum Inf. Process. 19 (12) (2020)
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Celina M. H. de Figueiredo, Luis Antonio Brasil Kowada, Franklin L. Marquezino, Renato Portugal, Daniel Posner
The Tessellation Cover Number of Good Tessellable Graphs. CoRR (2019)
Gabriel Coutinho, Renato Portugal
Discretization of continuous-time quantum walks via the staggered model with Hamiltonians. Nat. Comput. 18 (2) (2019)
Pedro C. S. Costa, Renato Portugal, Fernando de Melo
Quantum walks via quantum cellular automata. Quantum Inf. Process. 17 (9) (2018)
Renato Portugal
Element distinctness revisited. Quantum Inf. Process. 17 (7) (2018)
Norio Konno, Renato Portugal, Iwao Sato, Etsuo Segawa
Partition-based discrete-time quantum walks. Quantum Inf. Process. 17 (4) (2018)
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Tharso D. Fernandes, Celina M. H. de Figueiredo, Luis Antonio Brasil Kowada, Franklin L. Marquezino, Daniel Posner, Renato Portugal
The Graph Tessellation Cover Number: Extremal Bounds, Efficient Algorithms and Hardness. LATIN (2018)
Renato Portugal
Element Distinctness Revisited. CoRR (2017)
Pascal Philipp, Renato Portugal
Exact simulation of coined quantum walks with the continuous-time model. Quantum Inf. Process. 16 (1) (2017)
Stefan Boettcher, Shanshan Li, Tharso D. Fernandes, Renato Portugal
Determining the Efficiency of Quantum Search Algorithms with the Renormalization Group. CoRR (2017)
Fábio Borges, Pedro C. S. Lara, Renato Portugal
Parallel algorithms for modular multi-exponentiation. Appl. Math. Comput. 292 (2017)
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Tharso D. Fernandes, Celina M. H. de Figueiredo, Luis Antonio Brasil Kowada, Franklin L. Marquezino, Daniel Posner, Renato Portugal
The graph tessellation cover number: extremal bounds, efficient algorithms and hardness. CoRR (2017)
Alexandre Santiago de Abreu, Luís Felipe I. Cunha, Tharso D. Fernandes, Celina M. H. de Figueiredo, Luis Antonio Brasil Kowada, Franklin L. Marquezino, Daniel Posner, Renato Portugal
The tessellation problem of quantum walks. CoRR (2017)
Renato Portugal
Establishing the equivalence between Szegedy's and coined quantum walks using the staggered model. Quantum Inf. Process. 15 (4) (2016)
Renato Portugal, Raqueline A. M. Santos, Tharso D. Fernandes, Demerson N. Gonçalves
The staggered quantum walk model. Quantum Inf. Process. 15 (1) (2016)
Jalil Khatibi Moqadam, Renato Portugal, Marcos César de Oliveira
Quantum walks on a circle with optomechanical systems. Quantum Inf. Process. 14 (10) (2015)
Raqueline Azevedo Medeiros Santos, Renato Portugal, Stefan Boettcher
Moments of coinless quantum walks on lattices. Quantum Inf. Process. 14 (9) (2015)
Andris Ambainis, Renato Portugal, Nikolay Nahimov
Spatial search on grids with minimum memory. Quantum Inf. Comput. 15 (13&14) (2015)
Juan del Carmen Grados Vasquez, Fábio Borges, Renato Portugal, Pedro C. S. Lara
An Efficient One-Bit Model for Differential Fault Analysis on Simon Family. FDTC (2015)
Pedro C. S. Lara, Renato Portugal, Carlile Lavor
A new hybrid classical-quantum algorithm for continuous global optimization problems. J. Glob. Optim. 60 (2) (2014)
Raqueline Azevedo Medeiros Santos, Renato Portugal, Marcelo Dutra Fragoso
Decoherence in quantum Markov chains. Quantum Inf. Process. 13 (2) (2014)
Douglas F. G. Santiago, Renato Portugal, Nolmar Melo
Non-Pauli observables for CWS codes. Quantum Inf. Process. 12 (5) (2013)
Pedro C. S. Lara, Fábio Borges, Renato Portugal, Nadia Nedjah
Parallel modular exponentiation using load balancing without precomputation. J. Comput. Syst. Sci. 78 (2) (2012)
Nolmar Melo, Douglas F. G. Santiago, Renato Portugal
Decoder for Nonbinary CWS Quantum Codes CoRR (2012)
Gonzalo Abal, Raul Donangelo, M. Forets, Renato Portugal
Spatial quantum search in a triangular network. Math. Struct. Comput. Sci. 22 (3) (2012)
Douglas F. G. Santiago, Renato Portugal, Nolmar Melo
Non-Pauli Observables for CWS Codes CoRR (2012)
Franklin de Lima Marquezino, Renato Portugal, Stefan Boettcher
Quantum search algorithms on hierarchical networks. ITW (2011)
Gonzalo Abal, Raul Donangelo, Franklin L. Marquezino, Renato Portugal
Spatial search in a honeycomb network. CoRR (2010)
Gonzalo Abal, Raul Donangelo, Franklin L. Marquezino, Renato Portugal
Spatial search on a honeycomb network. Math. Struct. Comput. Sci. 20 (6) (2010)
Franklin L. Marquezino, Renato Portugal, Gonzalo Abal
Mixing Times in Quantum Walks on Two-Dimensional Grids. CoRR (2010)
Franklin L. Marquezino, Renato Portugal, F. D. Sasse
Obtaining the Quantum Fourier Transform from the Classical FFT with QR Decomposition. CoRR (2010)
Franklin L. Marquezino, Renato Portugal, F. D. Sasse
Obtaining the Quantum Fourier Transform from the classical FFT with QR decomposition. J. Comput. Appl. Math. 235 (1) (2010)
Gonzalo Abal, Raul Donangelo, Franklin L. Marquezino, Amanda C. Oliveira, Renato Portugal
Decoherence in Search Algorithms. CoRR (2009)
Demerson N. Gonçalves, Renato Portugal, Carlos Magno Martins Cosme
Solutions to the Hidden Subgroup Problem on Some Metacyclic Groups. TCQ (2009)
José M. Martín-García, David Yllanes, Renato Portugal
The Invar tensor package: Differential invariants of Riemann. Comput. Phys. Commun. 179 (8) (2008)
Franklin L. Marquezino, Renato Portugal
The QWalk Simulator of Quantum Walks. CoRR (2008)
Franklin L. Marquezino, Renato Portugal
The QWalk simulator of quantum walks. Comput. Phys. Commun. 179 (5) (2008)
José M. Martín-García, David Yllanes, Renato Portugal
The Invar tensor package: Differential invariants of Riemann CoRR (2008)
José M. Martín-García, Renato Portugal, Leon R. U. Manssur
The Invar Tensor Package CoRR (2007)
José M. Martín-García, Renato Portugal, Leon R. U. Manssur
The Invar tensor package. Comput. Phys. Commun. 177 (8) (2007)
Luis Antonio Brasil Kowada, Renato Portugal, Celina M. H. de Figueiredo
Reversible Karatsuba's Algorithm. J. Univers. Comput. Sci. 12 (5) (2006)
Gilson A. Giraldi, Renato Portugal, Ricardo N. Thess
Genetic Algorithms and Quantum Computation CoRR (2004)
Daniel Frenkel, Laura Golebiowski, Renato Portugal
Computer algebra takes on the vibrating-membrane problem. Comput. Sci. Eng. 1 (2) (1999)