---
title: "Zhiheng Zhang — papers of 2026 — 2 papers, the most cited first"
description: "Zhiheng Zhang — papers of 2026: 2 papers on Elamur Research, the most cited first — what each work is about in our own words."
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# Zhiheng Zhang — papers of 2026 — 2 papers, the most cited first

2 papers · [all years of Zhiheng Zhang](https://md.research.elamur.ai/free/en/authors/zhiheng-zhang/#years)

**[Hetero-Designer: Automated Design of Multi-Agent Systems with Heterogeneous LLMs](https://md.research.elamur.ai/free/en/papers/zhang-2026-hetero-designer-automated-design-multi/) [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/)**Zhiheng Zhang, Yuanzhe Zhang, Bohan Yu, et al.*2026*

**[Preventing Safety Drift in Large Language Models via Coupled Weight and Activation Constraints](https://md.research.elamur.ai/free/en/papers/peng-2026-preventing-safety-drift-large-language/) [Findings of the Association for Computational Linguistics](https://md.research.elamur.ai/free/en/venues/findings/)**Songping Peng, Zhiheng Zhang, Daojian Zeng, et al.*2026*