Welcome!
I am a PhD student in the
Department of Statistics & Data Science
at
University of California, Los Angeles,
where I am advised by
Professor Oscar Hernan Madrid Padilla.
I am also a year-round Research & Development intern at
Sandia National Laboratories.
Publications
Published
-
Change Point Localization and Inference in Dynamic Multilayer Networks
F. Wang, K. Ritscher, Y.L. Kei, X. Ma, O.H. Madrid Padilla.
To appear in International Conference on Learning Representations (ICLR), 2026.
[PDF]
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Quantile Additive Trend Filtering
Z. Zhang, K. Ritscher, O.H. Madrid Padilla.
Proceedings of The 28th International Conference on Artificial Intelligence and Statistics (AISTATS), 2025.
[PDF]
Preprints
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Flex-Act: Why Learn when you can Pick?
R. Kumar, K. Ritscher, J. Zhu, L. Liu, C.J. Hsieh.
Under Review. [PDF]
Technical Reports
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Model-form Error Correction using Universal Differential Equations for an Agent-Based Model of Infectious Disease
K. Nguyen, K. Ritscher, J. Ray, E. C. S. Acquesta.
Sandia Report, 2024.
doi:10.2172/2516863