2 papers
stat.ML2026
Beyond Consistency: Inference for the Relative risk functional in Deep Nonparametric Cox Models
Sattwik Ghosal, Xuran Meng, Yi Li
There remain theoretical gaps in deep neural network estimators for the nonparametric Cox proportional hazards model. In particular, it is unclear how gradient-based optimization e…
math.ST2026
The envelope of a complex Gaussian random variable
Sattwik Ghosal, Ranjan Maitra
The envelope of an elliptical Gaussian complex vector, or equivalently, the amplitude or norm of a bivariate normal random vector has application in many weather and signal process…