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Yu-Ling Jiao

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Aug 2026

Offline Deep Q* Estimation with Diffusion Models

A novel framework is proposed that decouples operator estimation from value function learning and establishes the smoothness of $Q^*$ through the Bellman equation using the the Holder assumptions on the conditional reward and transition densities.

Xiao-Hong Chen, Yu-Ling Jiao, Li-Can Kang et al. · 0 citations
#machine learning Preprint Oct 2026

Conditional Flow Models for Offline Maximum Entropy Reinforcement Learning

Offline maximum entropy reinforcement learning seeks to estimate the optimal soft action-value function \(Q^*\) from a fixed dataset without further interaction with the environment. Although \(Q^*\) is characterized by the soft optimal Bellman equation, the corresponding Bellman operator cannot be evaluated directly b...

Hao Cheng, Yu-Ling Jiao, Li-Can Kang et al. · 0 citations
#machine learning Preprint Oct 2026

Annealed L\'{e}vy Diffusion via Gaussian Surrogate Reverse Dynamics

Gaussian diffusion models offer a practical framework for generative modeling. Denoising L\'{e}vy Probabilistic Models (DLPM) introduce heavy-tailed perturbations with a fixed tail index throughout denoising. We introduce Annealed L\'{e}vy Diffusion (ALD). ALD varies the stability index $\alpha(t)$ to combine heavy-tai...

Yu-Ling Jiao, Li-Can Kang, Jerry Zhijian Yang et al. · 0 citations
#machine learning Preprint Oct 2026

Joint Contrastive-Adversarial Representation Learning for Unsupervised Domain Adaptation

Effective unsupervised domain adaptation (UDA) requires a representation that captures transferable structure from both the labeled source domain and the unlabeled target domain. We introduce Joint Contrastive-Adversarial Representation Learning (JCAR), a two-stage framework that learns a common representation from the...

Yu-Ling Jiao, Li-Can Kang, Jerry Zhijian Yang et al. · 0 citations
#machine learning Preprint Oct 2026

Latent-Space Importance Weighting under Covariate Shift

In this work, we propose a transfer learning algorithm for covariate shift, integrating sample reweighting with representation learning. A key feature of our approach is the use of a lower-dimensional latent space for modeling, in contrast to conventional methods that operate directly in the high-dimensional ambient sp...

Yu-Ling Jiao, Li-Can Kang, Yang Xiang et al. · 0 citations
Open access Aug 2026

CoxFormer enables spatial omics inference with multimodal generative modeling

CoxFormer is presented, an approach that learns whole-transcriptome gene representations from biomedical knowledge and co-expression data, thereby enabling spatial omics to predict unmeasured genes, enhance resolution and identify disease-related tissue regions.

Yi-Yang Yang, Xu Liao, Hao-Yu Zhang et al. · 0 citations
Preprint Aug 2026

Conditional Diffusion for Nonparametric Instrumental Variable Quantile Regression

This work proposes deep nonparametric Instrumental variable quantile regression (IVQR), a two-stage estimator that combines conditional diffusion modeling with a kernel-smoothed conditional moment formulation and derives end-to-end total variation guarantees for the conditional diffusion model under unbounded support.

Xingdong Feng, Xinhong Jiang, Yu-Ling Jiao et al. · 0 citations
Preprint Aug 2026

Offline Deep Q* Estimation with Diffusion Models

In offline RL, estimating the optimal action-value function $Q^*$ can be formulated as solving the optimal Bellman equation based solely on offline observations. A fundamental challenge is that the reward function and transition kernel are unknown, so the optimal Bellman operator is not directly observable from data. T...

Xiao-Hong Chen, Yu-Ling Jiao, Li-Can Kang et al. · 0 citations

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