3 papers
math.ST2026
Stabilized Higher-Order Influence Functions: Statistical Theory of a Class of Bilinear Forms
Na Liu, Chang Li, Yujia Gu +1
Higher-order influence functions, introduced in a series of articles (Robins et al., 2008, 2009a; van der Vaart, 2014; Robins et al., 2016, 2023; Liu et al., 2017), are a unified f…
math.OC2026
First-Order Geometry, Spectral Compression, and Structural Compatibility under Bounded Computation
Changkai Li
Optimization under structural constraints is typically analyzed through projection or penalty methods, obscuring the geometric mechanism by which constraints shape admissible dynam…
cs.LG2026
Fibration Policy Optimization
Chang Li, Tshihao Tsu, Yaren Zhang +2
Large language models are increasingly trained as heterogeneous systems spanning multiple domains, expert partitions, and agentic pipelines, yet prevalent proximal objectives opera…