activity
20242026
most citedStandard Gaussian Process is All You Need for High-Dimensional Bayesian Optimization

2 citations · 5 across the 11 of their papers we have counts for

collaborators

11 papers

cs.LG2026

Structured Neural Marked Point Processes for Interpretable Event Interaction Modeling

Zhitong Xu, Qiwei Yuan, Yinghao Chen +2

Multi-class event streams arise in numerous real-world applications, where uncovering structured, interpretable inter-event relationships, together with accurate prediction, remain…

cs.LG2026

Arbitrarily Conditioned Hierarchical Flows for Spatiotemporal Events

Keyan Chen, Qiwei Yuan, Zhitong Xu +2

Events in spatiotemporal systems are ubiquitous, yet modeling their complex distributions remains challenging. Existing point process models often rely on strong structural assumpt…

cs.LG2026

Focus and Dilution: The Multi-stage Learning Process of Attention

Zheng-An Chen, Pengxiao Lin, Zhi-Qin John Xu +1

Transformer-based models have achieved remarkable success across a wide range of domains, yet our understanding of their training dynamics remains limited. In this work, we identif…

cs.LG2026

Kronecker-Structured Nonparametric Spatiotemporal Point Processes

Zhitong Xu, Qiwei Yuan, Yinghao Chen +3

Events in spatiotemporal domains arise in numerous real-world applications, where uncovering event relationships and enabling accurate prediction are central challenges. Classical…

cs.LG2025

Deep Gaussian Processes for Functional Maps

Matthew Lowery, Zhitong Xu, Da Long +5

Learning mappings between functional spaces, also known as function-on-function regression, is a fundamental problem in functional data analysis with broad applications, including…

cs.LG2025

Tensor Gaussian Processes: Efficient Solvers for Nonlinear PDEs

Qiwei Yuan, Zhitong Xu, Yinghao Chen +3

Machine learning solvers for partial differential equations (PDEs) have attracted growing interest. However, most existing approaches, such as neural network solvers, rely on stoch…