3 papers
cs.LG2026
TILT: Target-induced loss tilting under covariate shift
Kakei Yamamoto, Martin J. Wainwright
We introduce and analyze Target-Induced Loss Tilting (TILT) for unsupervised domain adaptation under covariate shift. It is based on a novel objective function that decomposes the…
stat.ML2026
Residual-as-Teacher: Mitigating Bias Propagation in Student--Teacher Estimation
Kakei Yamamoto, Martin J. Wainwright
We study statistical estimation in a student--teacher setting, where predictions from a pre-trained teacher are used to guide a student model. A standard approach is to train the s…
math.OC2023
Symmetric Mean-field Langevin Dynamics for Distributional Minimax Problems
Juno Kim, Kakei Yamamoto, Kazusato Oko +2
In this paper, we extend mean-field Langevin dynamics to minimax optimization over probability distributions for the first time with symmetric and provably convergent updates. We p…