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cs.LG2026

LoongReflect: Boosting Long-Horizon Reflection in Search Agents via Global Perspective Distillation

Zhixin Zhang, Xinke Jiang, Zhibang Yang +5

Large language model agents increasingly rely on long-horizon reasoning to solve complex tasks involving planning, tool use, and memory. A critical capability in such settings is r…

cs.LG2026

Absorber LLM: Harnessing Causal Synchronization for Test-Time Training

Zhixin Zhang, Shabo Zhang, Chengcan Wu +2

Transformers suffer from a high computational cost that grows with sequence length for self-attention, making inference in long streams prohibited by memory consumption. Constant-m…

cs.LG2025

GMoPE:A Prompt-Expert Mixture Framework for Graph Foundation Models

Zhibin Wang, Zhixing Zhang, Shuqi Wang +2

Graph Neural Networks (GNNs) have demonstrated impressive performance on task-specific benchmarks, yet their ability to generalize across diverse domains and tasks remains limited.…

cs.LG2025

Dynamic Orthogonal Continual Fine-tuning for Mitigating Catastrophic Forgettings

Zhixin Zhang, Zeming Wei, Meng Sun

Catastrophic forgetting remains a critical challenge in continual learning for large language models (LLMs), where models struggle to retain performance on historical tasks when fi…

cs.LG2025

Secure LLM Fine-Tuning via Safety-Aware Probing

Chengcan Wu, Zhixin Zhang, Zeming Wei +3

Large language models (LLMs) have achieved remarkable success across many applications, but their ability to generate harmful content raises serious safety concerns. Although safet…

cs.LG2025

Stackelberg Self-Annotation: A Robust Approach to Data-Efficient LLM Alignment

Xu Chu, Zhixin Zhang, Tianyu Jia +1

Aligning large language models (LLMs) with human preferences typically demands vast amounts of meticulously curated data, which is both expensive and prone to labeling noise. We pr…