---
title: "Ruotao Xu — papers of 2026 — 2 papers, the most cited first"
description: "Ruotao Xu — 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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# Ruotao Xu — papers of 2026 — 2 papers, the most cited first

2 papers · [all years of Ruotao Xu](https://md.research.elamur.ai/free/en/authors/ruotao-xu/#years)

**[When Is Thinking Enough? Early Exit via Sufficiency Assessment for Efficient Reasoning](https://md.research.elamur.ai/free/en/papers/xiang-2026-when-is-thinking-enough-early/) [Annual Meeting of the Association for Computational Linguistics (ACL)](https://md.research.elamur.ai/free/en/venues/acl/)**Yang Xiang, Yixin Ji, Ruotao Xu, et al.*2026 · 1 citation*

**[When to Trust Tools? Adaptive Tool Trust Calibration For Tool-Integrated Math Reasoning](https://md.research.elamur.ai/free/en/papers/xu-2026-when-trust-tools-adaptive-tool/) [Findings of the Association for Computational Linguistics](https://md.research.elamur.ai/free/en/venues/findings/)**Ruotao Xu, Yixin Ji, Yu Luo, et al.*2026*