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Counterexample to the Odd-Dimensional Rank Bound for Abelian p-Group Actions

Geometry & topology · posed by Joaquín Moraga; recorded by Kollár and Zhuang · disproved

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Statement

Moraga conjectured, and Kollár and Zhuang recorded, an odd-dimensional extension of the rank bound for faithful abelian pp-group actions on smooth Calabi–Yau varieties. The paper disproves it.

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  1. construction · #1

    ChatGPT 5.5 Pro + Danus, with Jihao Liu and Yanze Wang

    The record says a model found this and names the people who worked on it. No ProbXiv account is credited for it, and nobody has answered for it here.

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    — the result was found by a model.

    The abstract states the main result was obtained by ChatGPT 5.5 Pro and the Danus system, an agent built on Rethlas; the sketch of the proof was likewise produced by the model.

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