Kan Xu

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Department of Economics
University of Pennsylvania
The Ronald O. Perelman Center for Political Science and Economics
133 South 36th Street
Philadelphia, PA 19104
kanxu [AT] upenn [DOT] edu

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Working Papers

Learning Across Bandits in High Dimension via Robust Statistics
(with Hamsa Bastani)
Major Revision, Management Science
3rd Place, IBM Service Science Best Student Paper Award (2022)

Group-Sparse Matrix Factorization for Transfer Learning of Word Embeddings
(with Xuanyi Zhao, Hamsa Bastani and Osbert Bastani)
Under Review, Management Science
- Preliminary version in ICML, 2021

Safely Bridging Offline and Online Reinforcement Learning
(with Wanqiao Xu, Hamsa Bastani and Osbert Bastani)
- Preliminary version in AISTATS, 2023

Robust Generalization of Quadratic Neural Networks via Function Identification
(with Hamsa Bastani and Osbert Bastani)

Two-Stage Maximum Score Estimator
(with Wayne Gao and Sheng Xu)

Publications

Safely Bridging Offline and Online Reinforcement Learning
(with Wanqiao Xu, Hamsa Bastani and Osbert Bastani)
International Conference on Artificial Intelligence and Statistics (AISTATS), 2023

Group-Sparse Matrix Factorization for Transfer Learning of Word Embeddings
(with Xuanyi Zhao, Hamsa Bastani and Osbert Bastani)
International Conference on Machine Learning (ICML), 2021

Software

R Package: EbayesThresh
(with Bernard W. Silverman, Ludger Evers, Peter Carbonetto and Matthew Stephens)