collaborators

5 papers

cs.AI2026

Training Continuous Chain of Thought Models: A Tale of Two Regimes

Varun Yerram, He He, Eunsol Choi

Continuous Chain-of-Thought methods replace verbose reasoning traces with a short sequence of dense latent representations. Earlier continuous CoT methods indirectly supervise the…

cs.CL2026

DiffAdapt: Difficulty-Adaptive Reasoning for Token-Efficient LLM Inference

Xiang Liu, Xuming Hu, Xiaowen Chu +1

Recent reasoning Large Language Models (LLMs) demonstrate remarkable problem-solving abilities but often generate long thinking traces whose utility is unclear. Our work aims to im…

cs.AI2026

Are Dilemmas and Conflicts in LLM Alignment Solvable? A View from Priority Graph

Zhenheng Tang, Xiang Liu, Qian Wang +3

As Large Language Models (LLMs) become more powerful and autonomous, they increasingly face conflicts and dilemmas in many scenarios. We first summarize and taxonomize these divers…

cs.CL2026

Bridging Latent Reasoning and Target-Language Generation via Retrieval-Transition Heads

Shaswat Patel, Vishvesh Trivedi, Yue Han +2

Recent work has identified a subset of attention heads in Transformer as retrieval heads, which are responsible for retrieving information from the context. In this work, we first…

cs.CL2025

Beyond Single Embeddings: Capturing Diverse Targets with Multi-Query Retrieval

Hung-Ting Chen, Xiang Liu, Shauli Ravfogel +1

Most text retrievers generate \emph{one} query vector to retrieve relevant documents. Yet, the conditional distribution of relevant documents for the query may be multimodal, e.g.,…