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Shuxin Zheng

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#artificial intelligence Preprint Sep 2026

ZGCM-1: A Fully Open and Extremely Efficient Foundation Model for Math and Agentic Search

In this work, we present ZGCM-1, a fully open 7B dense foundation model trained from scratch with extreme data, system, and algorithmic efficiency. ZGCM-1 is founded on a core premise: compact models cannot passively memorize the open web, but can overcome parametric capacity limits by coupling deliberate internal thin...

Ji-Yan He, Guang Liang, Hao Liu et al. · 0 citations
Jul 2026

OrchBench: Evaluating Multi-Agent Orchestration Plans in Isolation via Deterministic Simulation

OrchBench is established as an efficient and interpretable benchmark for comparing and diagnosing multi-agent orchestration plans, finding that preserving task-critical information is more important than simply increasing the number of agents, and the benefits of parallelism diminish as coordination failures accumulate...

Zhenzhen Ren, Jiyan He, Xinpeng Zhang et al. · 0 citations
Preprint Aug 2026

Hierarchical Graph Memory for LLM Agents with Path-level Localization and Rewrite

This work proposes HiGram, an evolving hierarchical graph memory framework with path-level localization and rewriting, which organizes the memory into coarse-to-fine architecture composed of upper-level nodes and MemoryUnits, thereby reducing the amount of irrelevant information during retrieval.

Xiawei Yue, Boran Wang, Xiaoqing Zhang et al. · 0 citations
Preprint Aug 2026

AgentRewind: Recoverable Execution for Long-Horizon LLM Agents

AgentRewind is presented, a runtime recovery framework that records aligned checkpoints of the agent context and controlled environment, allowing agents to return to an earlier state and resume execution with information from previous attempts, improving task success rate and average checklist progress over the compare...

Yu Zhuang, Kefei Chen, Yitong Duan et al. · 7 citations

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