2 papers
math.ST2026
An Exact Pointwise Characterization for Total Variation Denoising in Quantile Regression
Deep Ghoshal, Sabyasachi Chatterjee
Total variation denoising (TVD) is a classical method for denoising and curve fitting, yet an explicit pointwise description of its fitted values has only recently been established…
stat.ME2026
Resampling-free Inference for Time Series via RKHS Embedding
Deep Ghoshal, Xiaofeng Shao
In this article, we study nonparametric inference problems in the context of multivariate or functional time series, including testing for goodness-of-fit, the presence of a change…