Ayaka Sakata

According to our database, Ayaka Sakata authored at least 21 papers between 2012 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2026

Stabilizing Private LASSO under Heterogeneous Covariates via Anisotropic Objective Perturbation.

Haruka Tanzawa, Ayaka Sakata

CoRR, May, 2026

Privacy-Accuracy Trade-offs in High-Dimensional LASSO under Perturbation Mechanisms.

Ayaka Sakata, Haruka Tanzawa

CoRR, March, 2026

2025

Perfect reconstruction of sparse signals using nonconvexity control and one-step RSB message passing.

Xiaosi Gu, Ayaka Sakata, Tomoyuki Obuchi

CoRR, December, 2025

High-Dimensional Learning Dynamics of Quantized Models with Straight-Through Estimator.

Yuma Ichikawa, Shuhei Kashiwamura, Ayaka Sakata

CoRR, October, 2025

The Effect of Optimal Self-Distillation in Noisy Gaussian Mixture Model.

Kaito Takanami, Takashi Takahashi, Ayaka Sakata

CoRR, January, 2025

2024

Effect of Weight Quantization on Learning Models by Typical Case Analysis.

Shuhei Kashiwamura, Ayaka Sakata, Masaaki Imaizumi

Proceedings of the IEEE International Symposium on Information Theory, 2024

2023

Decision Theoretic Cutoff and ROC Analysis for Bayesian Optimal Group Testing.

Ayaka Sakata, Yoshiyuki Kabashima

IEEE Trans. Inf. Theory, September, 2023

2022

Prediction Errors for Penalized Regressions based on Generalized Approximate Message Passing.

Ayaka Sakata

CoRR, 2022

2020

Active pooling design in group testing based on Bayesian posterior prediction.

Ayaka Sakata

CoRR, 2020

Bayesian inference of infected patients in group testing with prevalence estimation.

Ayaka Sakata

CoRR, 2020

2019

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

Tomoyuki Obuchi, Ayaka Sakata

CoRR, 2019

Perfect reconstruction of sparse signals with piecewise continuous nonconvex penalties and nonconvexity control.

Ayaka Sakata, Tomoyuki Obuchi

CoRR, 2019

2018

Estimator of Prediction Error Based on Approximate Message Passing for Penalized Linear Regression.

Ayaka Sakata

CoRR, 2018

2017

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

Ayaka Sakata, Yingying Xu

CoRR, 2017

2016

Phase Transitions and Sample Complexity in Bayes-Optimal Matrix Factorization.

Yoshiyuki Kabashima, Florent Krzakala, Marc Mézard, Ayaka Sakata, Lenka Zdeborová

IEEE Trans. Inf. Theory, 2016

Evaluation of Generalized Degrees of Freedom for Sparse Estimation by Replica Method.

Ayaka Sakata

CoRR, 2016

2015

Replica symmetric bound for restricted isometry constant.

Ayaka Sakata, Yoshiyuki Kabashima

Proceedings of the IEEE International Symposium on Information Theory, 2015

2014

Error correcting codes and spatial coupling.

Rafah El-Khatib, Jean Barbier, Ayaka Sakata, Rüdiger L. Urbanke

CoRR, 2014

2013

Sample complexity of Bayesian optimal dictionary learning.

Ayaka Sakata, Yoshiyuki Kabashima

Proceedings of the 2013 IEEE International Symposium on Information Theory, 2013

2012

A Mean-field Approach for an Intercarrier Interference Canceller for OFDM

Ayaka Sakata, Yoshiyuki Kabashima, Yitzhak Peleg

CoRR, 2012

Statistical Mechanics of Dictionary Learning

Ayaka Sakata, Yoshiyuki Kabashima

CoRR, 2012