3 papers
cs.CV2026
Reliability analysis for BraTS-GoAT segmentation: a controlled robustness study of deep-ensemble uncertainty
Riya Deepak Shet, Le Zhang
Deep networks segment brain tumours accurately in-distribution, but can fail silently when the input differs from their training data. That risk is central to clinical deployment a…
econ.EM2026
Cross-Sectional Dynamics Under Network Structure: Theory and Macroeconomic Applications
Marko Mlikota
Many economic environments involve units linked by a network. I develop an econometric framework that derives the dynamics of cross-sectional variables from the lagged innovation t…
econ.EM2025
Origins and Nature of Macroeconomic Instability in Vector Autoregressions
Pooyan Amir-Ahmadi, Marko Mlikota, Dalibor StevanoviÄ
For a general class of dynamic and stochastic structural models, we show that (i) non-linearity in economic dynamics is a necessary and sufficient condition for time-varying parame…