collaborators

5 papers

cs.CL2026

BavGround: A Benchmark for Regional Cultural Grounding and Dialect Competence in Bavarian

Jophin John, Michael Hoffmann, Jan Fillies +2

Cultural evaluation of large language models (LLMs) often focuses on high-resource standard languages, leaving regional culture and dialect communities underrepresented. We introdu…

cs.CL2026

Beyond Input Understanding: Diagnosing Multilingual Mathematical Reasoning with Directed Acyclic Trace Graphs

Jiaqiao Zhang, Zhoujun Li, Raoyuan Zhao +5

Large reasoning models (LRMs) achieve strong mathematical reasoning performance in English, but remain much less reliable in many low- and medium-resource languages. This gap is of…

cs.CL2026

ReverseMath: Answer Inversion for Scalable and Verifiable Mathematical Problem Generation

Raoyuan Zhao, Yihong Liu, Yupei Du +2

Mathematical reasoning benchmarks are vital for evaluating large language models (LLMs), but many are static and repeatedly exposed through public evaluation and training pipelines…

cs.CL2026

Crosslingual On-Policy Self-Distillation for Multilingual Reasoning

Yihong Liu, Raoyuan Zhao, Michael A. Hedderich +1

Large language models (LLMs) have achieved remarkable progress in mathematical reasoning, but this ability is not equally accessible across languages. Especially low-resource langu…

cs.CL2026

From Weights to Activations: Is Steering the Next Frontier of Adaptation?

Simon Ostermann, Daniil Gurgurov, Tanja Baeumel +4

Post-training adaptation of language models is commonly achieved through parameter updates or input-based methods such as fine-tuning, parameter-efficient adaptation, and prompting…