Raqueline A. M. Santos

Contact

Address
Faculty of Computing
University of Latvia
Raiņa bulv. 19, LV-1586
Riga, Latvia
Email
raqueline at gmail dot com
Last updated: 27.03.2025

About me

Hello!

I'm a reasearcher at the Centre for Quantum Computing Science at University of Latvia.

Talks

  • Introdução aos Passeios Quânticos IMD/UFRN (2024)
  • Quantum Computing: Advancements and Challenges RaTSIf (2023)

    • Projects

    2017 - 2021

    Postdoc Latvia

    Kvantu klejošana un pielietojumi (Quantum walks and applications)

    1.1.1.2/VIAA/1/16/002

    Preprints

    Publications

    1. Impact of Bivariate Gaussian Potentials on Quantum Walks for Spatial Search (2025).
      F.L. Marquezino, R.A.M. Santos. Physica Scripta | arXiv:2410.03269
    2. Quantum counting on the complete bipartite graph (2024).
      G.A. Bezerra, R.A.M. Santos, R. Portugal. International Journal of Quantum Information | arXiv:2311.10407
    3. Decoherence on Staggered Quantum Walks (2022).
      R.A.M. Santos, F.L. Marquezino. Physical Review A | arXiv:2112.02846
    4. Quantum state transfer on the complete bipartite graph (2022).
      R.A.M. Santos. Journal of Physics A: Mathematical and Theoretical | arXiv:2111.13197
    5. Lackadaisical quantum walks on 2D grids with multiple marked vertices (2021).
      N. Nahimovs, R.A.M. Santos. Journal of Physics A: Mathematical and Theoretical | arXiv:2104.09955
    6. The role of tessellation intersection in staggered quantum walks (2019).
      R.A.M. Santos. Natural Computing | arXiv:1810.02387
    7. Adjacent vertices can be hard to find by quantum walks (2019).
      N. Nahimovs, R.A.M. Santos, K.R. Khadiev. Moscow University Computational Mathematics and Cybernetics 43, 32-39
    8. On the Probability of Finding Marked Connected Components Using Quantum Walks (2018).
      K.R. Khadiev, N. Nahimovs, R.A.M. Santos. Lobachevskii Journal of Mathematics 39, 1016–1023 | arXiv:1710.04046
    9. Exceptional quantum walk search on the cycle (2017).
      T.G. Wong, R.A.M. Santos Quantum Information Processing 16, 154 | arXiv:1610.06075
    10. Adjacent vertices can be hard to find by quantum walks (2017).
      N. Nahimovs, R.A.M. Santos. In Proceedings of SOFSEM 2017: Theory and Practice of Computer Science, Lecture Notes in Computer Science, vol 10139. Springer, 256-267 | arXiv:1605.05598
    11. Szegedy’s quantum walk with queries (2016).
      R.A.M. Santos. Quantum Information Processing, 15:4461–4475 | arXiv:1603.05473
    12. The staggered quantum walk model (2016).
      R. Portugal,R.A.M. Santos, T.D. Fernandes, D.N. Gonçalves. Quantum Information Processing, 15, 85-101 | arXiv:1505.04761
    13. Moments of coinless quantum walks on lattices (2015). R.A.M. Santos, R. Portugal, S. Boettcher. Quantum Information Processing, 14, 3179–3191 | arXiv:1502.06293
    14. Mean square displacement of the coinless quantum walk (2015).
      R.A.M. Santos, R. Portugal, S. Boettcher. In Proceedings of V WECIQ - Workshop-School of Computation and Quantum Information, Campina Grande, Brazil. pdf
    15. Decoherence in quantum Markov chains (2014).
      R.A.M. Santos, R. Portugal, M.D. Fragoso. Quantum Information Processing, 13(2):559–572 | arXiv:1204.6238
    16. Preserving privacy in a smart grid scenario using quantum mechanics (2014).
      F. Borges, R.A.M. Santos, F.L. Marquezino. Security and Communication Networks, 8, 2061-2069
    17. A closer look at discrete-time quantum walk NAND formulae evaluation algorithm (2013).
      R.A.M. Santos and A. Rivosh. In Proceedings of the Workshop on Quantum and Classical Complexity, Riga, Latvia.
    18. Simulations of quantum Markov chains on percolation graphs (2012).
      R.A.M. Santos, R. Portugal. In Proceedings of IV WECIQ - Workshop-School of Computation and Quantum Information, Fortaleza, Brazil.
    19. Decoherence in Szegedy’s quantum walk (2010).
      R.A.M. Santos, R. Portugal. In Proceedings of the XXXIV Congresso Nacional de Matemática Aplicada e Computacional, Águas de Lindóia, Brazil.
    20. Quantum hitting time on the cycle (2010).
      R.A.M. Santos, R. Portugal. In Proceedings of III WECIQ - Workshop-School of Computation and Quantum Information, Petrópolis, Brazil.
    21. Quantum hitting time on the complete graph (2010).
      R.A.M. Santos, R. Portugal. International Journal of Quantum Information, 8(5), 881–894 | arXiv:0912.1217
    22. A performance improvement for the tabu search metaheuristic through the usage of path relinking: A case study on the facilities location problem (2008).
      R.A.M. Santos, D. Aloise, D.J. Aloise. In Proceedings of XI Symposium of Operational Research and Logistic of the Brazilian Marine (SPOLM), Rio de Janeiro, Brazil.

    Work Experience

    2024 - 2025

    Invited Lecturer

    Transport and Telecomunication Institute

    Riga, Latvia

    2017 - Present

    Researcher

    Centre for Quantum Computing Science, University of Latvia

    Riga, Latvia

    2017 - 2020

    Expert

    Academy of Science

    Latvia

    2015 - 2017

    Visiting Researcher

    Faculty of Computing, University of Latvia

    Riga, Latvia

    2014 - 2015

    Postdoctoral Researcher

    National Laboratory for Scientific Computing - LNCC

    Petrópolis, Brazil

    Students

    Gustavo Bezerra (2019 - 2021)

    Master program in Computational modelling
    National Laboratory for Scientific Computing - LNCC (Petrópolis, Brazil)
    Co-advisor

    Education

    2010 - 2014

    Doctoral degree - Computational modelling

    National Laboratory for Scientific Computing - LNCC

    Petrópolis, Brazil
    Advisor: Prof. Renato Portugal
    Co-advisor: Prof. Marcelo Fragoso

    My doctoral thesis (in Portuguese)
    2008 - 2010

    Master degree - Computational modelling

    National Laboratory for Scientific Computing - LNCC

    Petrópolis, Brazil
    Advisor: Prof. Renato Portugal

    My master thesis (in Portuguese)
    2003 - 2008

    Bachelor's degree - Computer Science

    Federal University of Rio Grande do Norte

    Natal, Brazil
    Advisor: Prof. Dario Aloise

    My bachelor thesis (in Portuguese)
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