collaborators

18 papers

cs.CL2026

Mergeable Model-Side Aggregation States for Long-Context Language Models

Dachuan Song, Junyu Yin, Zechen Hu +1

The paper proposes a model-side aggregation interface that uses compact HyperLogLog sketches to maintain set-based aggregation states alongside frozen language models, enabling acc…

cs.CL2026

EffGen: Enabling Small Language Models as Capable Autonomous Agents

Gaurav Srivastava, Aafiya Hussain, Chi Wang +2

Most existing language model agentic systems today are built and optimized for large language models (e.g., GPT, Claude, Gemini) via API calls; while powerful, this approach faces…

cs.LG2026

BioArc: Discovering Optimal Neural Architectures for Biological Foundation Models

Yi Fang, Haoran Xu, Jiaxin Han +4

Foundation models have revolutionized various fields such as natural language processing (NLP) and computer vision (CV). While efforts have been made to transfer the success of the…

cs.CL2026

Do LLMs Overthink Basic Math Reasoning? Benchmarking the Accuracy-Efficiency Tradeoff in Language Models

Gaurav Srivastava, Aafiya Hussain, Sriram Srinivasan +1

Large language models (LLMs) achieve impressive performance on complex mathematical benchmarks yet sometimes fail on basic math reasoning while generating unnecessarily verbose res…

cs.LG2026

Elastic Spectral State Space Models for Budgeted Inference

Dachuan Song, Xuan Wang

Foundation models are typically trained at a fixed computational capacity, while real-world applications require deployment across platforms with different resource constraints. Cu…

cs.CV2026

MEDVISTAGYM: A Scalable Training Environment for Thinking with Medical Images via Tool-Integrated Reinforcement Learning

Meng Lu, Yuxing Lu, Yuchen Zhuang +6

Vision language models (VLMs) achieve strong performance on general image understanding but struggle to think with medical images, especially when performing multi-step reasoning t…