Papers

  1. Shuhei Kashiwamura, Ayaka Sakata, Masaaki Imaizumi
    "Effect of Weight Quantization on Learning Models by Typical Case Analysis"
    arXiv:2401.17269 (2024).
  2. A. Sakata and K. Kaneko
    "Evolutionary Shaping of Low-Dimensional Path Facilitates Robust and Plastic Switching Between Phenotypes"
    Physical Review Research 5(4) 043296 (2023).
  3. A. Sakata and Y. Kabashima
    "Decision Theoretic Cutoff and ROC Analysis for Bayesian Optimal Group Testing"
    IEEE Transactions on Information Theory, 69(9), 5902-5920 (2023).
  4. A. Sakata
    "Prediction Errors for Penalized Regressions based on Generalized Approximate Message Passing"
    J. Phys. A: Math. Theor. 56 043001 (2023).
  5. A. Sakata and T. Obuchi
    "Perfect reconstruction of sparse signals with piecewise continuous nonconvex penalties and nonconvexity control"
    Journal of Statistical Mechanics: Theory and Experiment, vol. 2021(9), 093401 (2021).
  6. A. Sakata
    "Active pooling design in group testing based on Bayesian posterior prediction"
    Phys. Rev. E 103, 022110 (2021).
  7. A. Sakata
    "Bayesian inference of infected patients in group testing with prevalence estimation"
    J. Phys. Soc. Jpn. 89, 084001 (2020). Editors' choice
  8. A. Sakata and K. Kaneko
    "Dimensional reduction in evolving spin-glass model: correlation of phenotypic responses to environmental and mutational changes"
    Physical Review Letters Vol. 124, No. 21, 218101 (2020).
  9. T. Obuchi and A. Sakata
    "Cross validation in sparse linear regression with piecewise continuous nonconvex penalties and its acceleration"
    Journal of Physics A: Mathematical and Theoretical, vol. 52, 414003 (2019).
  10. A. Sakata
    "Estimator of Prediction Error Based on Approximate Message Passing for Penalized Linear Regression"
    Journal of Statistical Mechanics: Theory and Experiment, vol. 2018, pp. 063404-1--24 (2018).
    Software is available here.
  11. A. Sakata and Y. Xu
    "Approximate message passing for nonconvex sparse regularization with stability and asymptotic analysis"
    Journal of Statistical Mechanics: Theory and Experiment, vol. 2018, pp. 033404-1--35 (2018)
  12. A. Sakata
    "Evaluation of Generalized Degrees of Freedom for Sparse Estimation by Replica Method"
    Journal of Statistical Mechanics: Theory and Experiment, vol.2016, pp. 123302-1--29 (2016).
  13. Y. Kabashima, F. Krzakala, M. Mézard, A. Sakata and L. Zdeborová
    "Phase transitions and sample complexity in Bayes-optimal matrix factorization"
    IEEE Transactions on Information Theory, vol.62 Issue 7, 4228-4265 (2016).
  14. A. Sakata and Y. Kabashima,
    "Replica Symmetric Bound for Restricted Isometry Constant"
    IEEE International Symposium on Information Theory Proceedings, p2006--2010 (2015).
  15. A. Sakata and Y. Kabashima,
    "Sample Complexity of Bayesian Optimal Dictionary Learning"
    IEEE International Symposium on Information Theory Proceedings, p669--673 (2013).
  16. A. Sakata and Y. Kabashima,
    "Statistical mechanics of Dictionary Learning"
    Europhys. Lett. vol.103 pp 28008-1--6 (2013).
  17. A. Sakata,
    "Time evolution of autocorrelation function in dynamical replica theory"
    J. Phys. A: Math. Theor. vol.46, No.16,pp 165001-1--18 (2013).
  18. A. Sakata, K. Hukushima and K. Kaneko,
    "Replica symmetry breaking in an adiabatic spin-glass model of adaptive evolution"
    Europhys. Lett. vol. 99 68004 (2012).
  19. A. Sakata, Y. Kabashima, and Y. Peleg,
    "A Mean-field Approach for an Intercarrier Interference Canceller for OFDM"
    J. Stat. Mech. vol. 2012, P07006 (2012).
  20. A. Sakata and K. Hukushima,
    "Partial annealing of a coupled mean-field spin-glass model with an embedded pattern"
    Phys. Rev. E. vol.83, No.2, 021105 (2011).
  21. A. Sakata, K. Hukushima, and K. Kaneko,
    "A Statistical-mechanical study of evolution of robustness: An approach from two-temperature models"
    J. Phys: Conf. Ser. vol.197, 012003 (2009).
  22. A. Sakata, K. Hukushima, and K. Kaneko,
    "Statistical-mechanical study of evolution of robustness in noisy environment"
    Phys. Rev. E. vol.80, No.5, 051919 (2009).
  23. A. Sakata, K. Hukushima, and K. Kaneko,
    "Funnel landscape and mutational robustness as a result of evolution under thermal noise"
    Phys. Rev. Lett. Vol.102, No.14, 148101 (2009).
  24. A. Sakata, M. Hisakado, and S. Mori,
    "Infectious Default Models with Recovery and Continuous Limits"
    J. Phys. Soc. Jpn., Vol.76, No.5 (2007)