Research

Publications and Preprints

Generative Modeling under Non-Monotonic MAR Missingness via Approximate Wasserstein Gradient Flows
G. Kremling, J. Näf and J. Lederer
Submitted for publication (currently under review), 2026

Non-asymptotic error bounds for probability flow ODEs under weak log-concavity
G. Kremling, F. Iafrate, M. Taheri and J. Lederer
Submitted for publication (currently under review), 2025

Asymptotic properties of the MLE in distributional regression under random censoring
G. Kremling and Gerhard Dikta
Published in Statistics & Probability Letters, 2026

Bootstrap-based goodness-of-fit test for parametric families of conditional distributions
G. Kremling and Gerhard Dikta
Published in Computational Statistics & Data Analysis, 2025

Convergence analysis of multi-level spectral deferred corrections
G. Kremling and Robert Speck
Published in Communications in Applied Mathematics and Computational Science, 2021

Software

Python tool FLOWGEM: FLOW-based GEeneration for Missing data
G.Kremling
Available on GitHub, 2026

R-package gofreg: Bootstrap-Based Goodness-of-Fit Tests for Parametric Regression
G.Kremling
Published on CRAN, 2024

Presentations

Invited Seminar Talk at Statistical Laboratory, University of Cambridge, Cambridge, UK in April 2025

Invited Talk at Workshop on Stochastic Models, Statistics and Their Applications, Würzburg, Germany in March 2026

Invited Talk at International Conference on Statistics and Data Science, Seville, Spain in December 2025 Slides

Invited Seminar Talk at Computational Imaging Group, DESY, Hamburg, Germany in November 2025

Poster at Conference on Mathematics of Machine Learning, Hamburg, Germany in September 2025 Poster

Lightning talk and open question session at Workshop on Mathematical Data Science, Black Forest, Germany in July 2025

Talk at German Probability and Statistics Days, Dresden, Germany in March 2025 Slides

Talk at Joint Statistical Meetings, Portland, OR, USA in August 2024

Talk at European Meeting of Statisticians, Warsaw, Poland in July 2023 Slides

Poster at German Probability and Statistics Days, Essen, Germany in March 2023 Poster

Talks at Graduate Student Colloquium, Department of Mathematical Sciences, University of Wisconsin-Milwaukee, USA in April 2022 and December 2021

Talk at International Conference on Scientific Computing and Differential Equations, Innsbruck, Austria in July 2019 Slides