Papers
- Shuhei Kashiwamura, Ayaka Sakata, Masaaki Imaizumi
"Effect of Weight Quantization on Learning Models by Typical Case Analysis"
arXiv:2401.17269 (2024).
- 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).
- 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).
- A. Sakata
"Prediction Errors for Penalized Regressions based on Generalized Approximate Message Passing"
J. Phys. A: Math. Theor. 56 043001 (2023).
- 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).
- A. Sakata
"Active pooling design in group testing based on Bayesian posterior
prediction"
Phys. Rev. E 103, 022110 (2021).
- A. Sakata
"Bayesian inference of infected patients in group testing with prevalence estimation"
J. Phys. Soc. Jpn. 89, 084001 (2020). Editors' choice
- 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).
- 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).
- 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.
- 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)
- 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).
- 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).
- A. Sakata and Y. Kabashima,
"Replica Symmetric Bound for Restricted Isometry Constant"
IEEE International Symposium on Information Theory Proceedings, p2006--2010 (2015).
- A. Sakata and Y. Kabashima,
"Sample Complexity of Bayesian Optimal Dictionary Learning"
IEEE International Symposium on Information Theory Proceedings, p669--673 (2013).
- A. Sakata and Y. Kabashima,
"Statistical mechanics of Dictionary Learning"
Europhys. Lett. vol.103 pp 28008-1--6 (2013).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- A. Sakata, M. Hisakado, and S. Mori,
"Infectious Default Models with Recovery and Continuous Limits"
J. Phys. Soc. Jpn., Vol.76, No.5 (2007)