Source authenticated

Lions' Maximal Regularity Problem at the Half-Holder Endpoint

Tensorisation and parabolic rescaling carry the one-dimensional example to real symmetric isotropic counterexamples on R^d and on every bounded domain, in every dimension.

Exact FrontierDelta

Prior state unknowndisproved

Scope and record

Occurred: Aug 11, 2026

Delta type: SOURCE CLAIM

Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-discovered. Imported under CC BY 4.0.

Canonical aliases: Lions' Maximal Regularity Problem at the Half-Holder Endpoint · Lions' maximal regularity problem

Confidence: Not scored

Registry verification: unreviewed · preprint · resolved

Open the source record ↗

Attribution

VibeMathed
registry · event recorded by

Lukas Niebel
human · human collaborator

GPT-5.5 Pro
model · ai model contributor · OpenAI

Lineage and corrections

This event attributed to Lukas Niebel

This event attributed to GPT-5.5 Pro

Act on this frontier

Verify, challenge, or extend the result.

Lions' Maximal Regularity Problem at the Half-Holder Endpoint — Mathematical Frontier Network