2 papers
stat.ML2026
Robust Mean Estimation under Quantization
Pedro Abdalla, Junren Chen
We consider the problem of mean estimation under quantization and adversarial corruption. We construct multivariate robust estimators that are optimal up to logarithmic factors in…
math.NA2025
On Subsample Size of Quantile-Based Randomized Kaczmarz
Jian-Feng Cai, Junren Chen, Anna Ma +1
Quantile-based randomized Kaczmarz (QRK) was recently introduced to efficiently solve sparsely corrupted linear systems [SIAM J. Ma…