Personal information

No personal information available

Activities

Employment (1)

The Institute of Statistical Mathematics: Tachikawa, Tokyo, JP

Associate professor (Department of Statistical Inference & Mathematics)
Employment
Source: Self-asserted source
Ayaka Sakata

Works (24)

Decision Theoretic Cutoff and ROC Analysis for Bayesian Optimal Group Testing

IEEE Transactions on Information Theory
2023 | Journal article
Contributors: Ayaka Sakata; Yoshiyuki Kabashima
Source: check_circle
Crossref

Evolutionary shaping of low-dimensional path facilitates robust and plastic switching between phenotypes

Physical Review Research
2023-12-26 | Journal article
Contributors: Ayaka Sakata; Kunihiko Kaneko
Source: check_circle
Crossref

非凸スパース制約最小化による信号復元: 非凸性制御によるアルゴリズム軌道の安定化

Jxiv, JSTプレプリントサーバ
2023-04-14 | Preprint | Author
Contributors: Ayaka Sakata; 智之 小渕
Source: check_circle
Jxiv, JST preprint server system

Prediction errors for penalized regressions based on generalized approximate message passing

Journal of Physics A: Mathematical and Theoretical
2023-01-27 | Journal article
Contributors: Ayaka Sakata
Source: check_circle
Crossref

グループテストによる検査の誤り訂正と検査数削減の理論とアルゴリズム

Jxiv, JSTプレプリントサーバ
2022-04-19 | Preprint | Author
Contributors: Ayaka Sakata
Source: check_circle
Jxiv, JST preprint server system

Active pooling design in group testing based on Bayesian posterior prediction

Physical Review E
2021-02-05 | Journal article
Contributors: Ayaka Sakata
Source: check_circle
Crossref

Bayesian Inference of Infected Patients in Group Testing with Prevalence Estimation

Journal of the Physical Society of Japan
2020-08-15 | Journal article
Contributors: Ayaka Sakata
Source: check_circle
Crossref

Dimensional Reduction in Evolving Spin-Glass Model: Correlation of Phenotypic Responses to Environmental and Mutational Changes

Physical Review Letters
2020-05-26 | Journal article
Contributors: Ayaka Sakata; Kunihiko Kaneko
Source: check_circle
Crossref

Cross validation in sparse linear regression with piecewise continuous nonconvex penalties and its acceleration

Journal of Physics A: Mathematical and Theoretical
2019-10-11 | Journal article
Contributors: Tomoyuki Obuchi; Ayaka Sakata
Source: check_circle
Crossref

Estimator of prediction error based on approximate message passing for penalized linear regression

Journal of Statistical Mechanics: Theory and Experiment
2018-06-19 | Journal article
Part of ISSN: 1742-5468
Source: Self-asserted source
Ayaka Sakata

Approximate message passing for nonconvex sparse regularization with stability and asymptotic analysis

Journal of Statistical Mechanics: Theory and Experiment
2018-03-13 | Journal article
Part of ISSN: 1742-5468
Source: Self-asserted source
Ayaka Sakata

Evaluation of generalized degrees of freedom for sparse estimation by replica method

Journal of Statistical Mechanics: Theory and Experiment
2016-12-19 | Journal article
Part of ISSN: 1742-5468
Source: Self-asserted source
Ayaka Sakata

Phase Transitions and Sample Complexity in Bayes-Optimal Matrix Factorization

IEEE Transactions on Information Theory
2016-07 | Journal article
Part of ISSN: 0018-9448
Part of ISSN: 1557-9654
Source: Self-asserted source
Ayaka Sakata

Replica symmetric bound for restricted isometry constant

2015 IEEE International Symposium on Information Theory (ISIT)
2015-06 | Conference paper
Source: Self-asserted source
Ayaka Sakata

Sample complexity of Bayesian optimal dictionary learning

2013 IEEE International Symposium on Information Theory
2013-07 | Conference paper
Source: Self-asserted source
Ayaka Sakata

Statistical mechanics of dictionary learning

EPL (Europhysics Letters)
2013-07-01 | Journal article
Part of ISSN: 0295-5075
Part of ISSN: 1286-4854
Source: Self-asserted source
Ayaka Sakata

Time evolution of the autocorrelation function in dynamical replica theory

Journal of Physics A: Mathematical and Theoretical
2013-04-26 | Journal article
Part of ISSN: 1751-8113
Part of ISSN: 1751-8121
Source: Self-asserted source
Ayaka Sakata

Replica symmetry breaking in an adiabatic spin-glass model of adaptive evolution

EPL (Europhysics Letters)
2012-09-01 | Journal article
Part of ISSN: 0295-5075
Part of ISSN: 1286-4854
Source: Self-asserted source
Ayaka Sakata

A mean-field approach for an intercarrier interference canceller for OFDM

Journal of Statistical Mechanics: Theory and Experiment
2012-07-16 | Journal article
Part of ISSN: 1742-5468
Source: Self-asserted source
Ayaka Sakata

Partial annealing of a coupled mean-field spin-glass model with an embedded pattern

Physical Review E
2011-02-11 | Journal article
Part of ISSN: 1539-3755
Part of ISSN: 1550-2376
Source: Self-asserted source
Ayaka Sakata

A statistical-mechanical study of evolution of robustness: An approach from two-temperature models

Journal of Physics: Conference Series
2009-12-01 | Journal article
Part of ISSN: 1742-6596
Source: Self-asserted source
Ayaka Sakata

Statistical-mechanical study of evolution of robustness in noisy environments

Physical Review E
2009-11-24 | Journal article
Part of ISSN: 1539-3755
Part of ISSN: 1550-2376
Source: Self-asserted source
Ayaka Sakata

Funnel Landscape and Mutational Robustness as a Result of Evolution under Thermal Noise

Physical Review Letters
2009-04-06 | Journal article
Part of ISSN: 0031-9007
Part of ISSN: 1079-7114
Source: Self-asserted source
Ayaka Sakata

Infectious Default Model with Recovery and Continuous Limits

Journal of the Physical Society of Japan
2007-05-15 | Journal article
Part of ISSN: 0031-9015
Part of ISSN: 1347-4073
Source: Self-asserted source
Ayaka Sakata