publications

2025

1. arXiv

   Boomerang Distillation Enables Zero-Shot Model Size Interpolation

   Sara Kangaslahti, Nihal V. Nayak^*, Jonathan Geuter^*, Marco Fumero, Francesco Locatello, and David Alvarez-Melis

   2025

   URL Bib PDF

   @misc{kangaslahti2025boomerang,
     author = {Kangaslahti, Sara and Nayak, Nihal V. and Geuter, Jonathan and Fumero, Marco and Locatello, Francesco and Alvarez-Melis, David},
     title = {{B}oomerang {D}istillation {E}nables {Z}ero-{S}hot {M}odel {S}ize {I}nterpolation},
     booktitle = {arXiv preprint},
     url = {https://arxiv.org/abs/2510.05064},
     year = {2025}
   }

2. NeurIPS (Workshop)

   RoBoN: Routed Online Best-of-n for Test-Time Scaling with Multiple LLMs

   Jonathan Geuter and Gregor Kornhardt

   Accepted to 1st Workshop on Foundations of Reasoning in Language Models at NeurIPS 2025, San Diego, USA , 2025

   Bib PDF

   @inproceedings{geuter2025robon,
     author = {Geuter, Jonathan and Kornhardt, Gregor},
     title = {{R}o{B}o{N}: {R}outed {O}nline {B}est-of-{n} for {T}est-{T}ime {S}caling with {M}ultiple {LLM}s},
     booktitle = {1st Workshop on Foundations of Reasoning in Language Models at NeurIPS 2025, San Diego, USA},
     year = {2025}
   }

3. ICML (Workshop)

   Guided Speculative Inference for Efficient Test-Time Alignment of LLMs

   Jonathan Geuter, Youssef Mroueh, and David Alvarez-Melis

   Accepted to 3rd Workshop for Efficient Systems for Foundation Models at ICML (Spotlight) , 2025

   URL Bib PDF

   @inproceedings{Geuter2025GuidedSpeculative,
     author = {Geuter, Jonathan and Mroueh, Youssef and Alvarez-Melis, David},
     title = {{G}uided {S}peculative {I}nference for {E}fficient {T}est-{T}ime {A}lignment of {LLM}s},
     booktitle = {3rd Workshop for Efficient Systems for Foundation Models at ICML (Spotlight)},
     url = {https://arxiv.org/abs/2506.04118},
     year = {2025}
   }

4. ICML (Workshop)

   Entropy-Driven Pre-Tokenization for Byte-Pair Encoding

   Yifan Hu, Frank Liang, Dachuan Zhao, Jonathan Geuter, Varshini Reddy, Craig W. Schmidt, and Chris Tanner

   Accepted to Tokenization Workshop at ICML , 2025

   URL Bib PDF

   @inproceedings{hu2025entropydriven,
     title = {{E}ntropy-{D}riven {P}re-{T}okenization for {B}yte-{P}air {E}ncoding},
     author = {Hu, Yifan and Liang, Frank and Zhao, Dachuan and Geuter, Jonathan and Reddy, Varshini and Schmidt, Craig W. and Tanner, Chris},
     booktitle = {Tokenization Workshop at ICML},
     year = {2025},
     url = {https://openreview.net/forum?id=1hcu9Vq4Or},
   }

5. AISTATS

   DDEQs: Distributional Deep Equilibrium Models through Wasserstein Gradient Flows

   Jonathan Geuter, Clément Bonet, Anna Korba, and David Alvarez-Melis

   Accepted to The 28th International Conference on Artificial Intelligence and Statistics (AISTATS) , 2025

   URL Bib PDF

   @inproceedings{geuter2025ddeqs,
     title = {{DDEQ}s: {D}istributional {D}eep {E}quilibrium {M}odels through {W}asserstein {G}radient {F}lows},
     author = {Geuter, Jonathan and Bonet, Cl{\'e}ment and Korba, Anna and Alvarez-Melis, David},
     booktitle = {The 28th International Conference on Artificial Intelligence and Statistics (AISTATS)},
     year = {2025},
     url = {https://openreview.net/forum?id=rFfNuzzXXW},
   }

6. ICML

   Universal Neural Optimal Transport

   Jonathan Geuter, Gregor Kornhardt, Ingimar Tomasson, and Vaios Laschos

   Accepted to Forty-second International Conference on Machine Learning (ICML) , 2025

   URL Bib PDF

   @inproceedings{geuter2025universal,
     title = {{U}niversal {N}eural {O}ptimal {T}ransport},
     author = {Geuter, Jonathan and Kornhardt, Gregor and Tomasson, Ingimar and Laschos, Vaios},
     booktitle = {Forty-second International Conference on Machine Learning (ICML)},
     year = {2025},
     url = {https://openreview.net/forum?id=t10fde8tQ7},
   }

2023

1. EMNLP (Workshop)

   Jina Embeddings: A Novel Set of High-Performance Sentence Embedding Models

   Michael Günther, Louis Milliken, Jonathan Geuter, Georgios Mastrapas, Bo Wang, and Han Xiao

   Accepted to 3rd Workshop for Natural Language Processing Open Source Software at EMNLP , 2023

   URL Bib PDF

   @inproceedings{guenther2023jina,
     title = {{J}ina {E}mbeddings: {A} {N}ovel {S}et of {H}igh-{P}erformance {S}entence {E}mbedding {M}odels},
     author = {Günther, Michael and Milliken, Louis and Geuter, Jonathan and Mastrapas, Georgios and Wang, Bo and Xiao, Han},
     booktitle = {3rd Workshop for Natural Language Processing Open Source Software at EMNLP},
     year = {2023},
     url = {https://openreview.net/forum?id=3HTUlrn6o7},
   }

2022

1. A Sinkhorn-NN Hybrid Algorithm for Optimal Transport

   Jonathan Geuter

   Technische Universität Berlin and Weierstrass Institute. Master’s thesis, supervised by Dr. Vaios Laschos and Prof. Dr. Martin Skutella , 2022

   Bib PDF

   @mastersthesis{Geuter2022SinkhornNN,
     author = {Geuter, Jonathan},
     title = {{A} {S}inkhorn-{NN} {H}ybrid {A}lgorithm for {O}ptimal {T}ransport},
     school = {Technische Universität Berlin and Weierstrass Institute. },
     year = {2022},
   }

2020

1. Nonlinear Korn Inequalities

   Jonathan Geuter

   Bachelor’s thesis, supervised by Prof. Dr. Barbara Zwicknagl and Dr. Hans-Christian Kreusler , 2020

   Bib

   @techreport{Geuter2020NonlinearKorn,
     author = {Geuter, Jonathan},
     title = {{N}onlinear {K}orn {I}nequalities},
     institution = {Technische Universität Berlin and Humboldt Universität zu Berlin},
     year = {2020},
   }