OpenAI reports topological triviality for mu-constant surface singularities

Every holomorphic one-parameter family of isolated hypersurface singularities in C^3 with constant Milnor number is topologically right-trivial, by a homeomorphism preserving the parameter, origin section, and defining function.

Sources for this record

What was already known

Lê and Ramanujam proved constant embedded topological type for mu-constant isolated hypersurface families except in complex surface dimension two; their cobordism argument did not resolve that dimension. Outside it, Timourian and King obtained local triviality of function germs (manuscript introduction, pp. 2–3).

AI involvement AI-led

OpenAI credits itself as manuscript author and states that its internal frontier model produced the results in this release. Individual human input is not detailed enough to establish task-only autonomy.

OpenAI is named as author on the manuscript, and its release attributes the results to an internal frontier model. The individual human input is not detailed enough to establish autonomy.

Importance Major

Settles the complex surface case of the mu-constant problem and supplies a jointly continuous right trivialization.

Limitations

The theorem concerns one-parameter holomorphic families of isolated hypersurface germs in C^3; it does not address nonisolated singularities.

Technical verification Reported

Reported is the default when evidence for a higher level is insufficient. The OpenAI-authored manuscript reports and argues the result, but the reviewed sources do not document a completed check of the full assessed claim.

Human understanding Few

Few is the default when evidence for a higher level is insufficient. No named person is documented as explaining the central argument for this assessed contribution.

Correction and publication history

2026-10-18 · publication

Primary manuscript, attribution, and prior-work review for non-notifying local inclusion.

Read this published revision