Functional analysis·OpenAI Math·Result 327·Lean formalisation listed

Markov type characterizes superreflexivity

One of the 372 results in OpenAI's public mathematics catalogue, filed under functional analysis: 1 preprint, the latest dated 23 September 2026. This page quotes OpenAI's own summary of the claim, links the paper and abstract, and will embed the animation.

Latest paper

Nontrivial Markov Type Forces Superreflexivity

23 September 2026 · PDF

The animation for this result has not been released yet. Subscribe on YouTube to catch it.

What OpenAI claims

Proves that every real Banach space with Markov type p for some p > 1 admits an equivalent uniformly convex norm, answering Naor's renorming question. Together with the known converse, this characterizes superreflexivity by nontrivial Markov type. (Lean)

Paper

  1. Nontrivial Markov Type Forces Superreflexivity

    · Preprint, not peer reviewed · PDF

    We prove that every real Banach space with Markov type p > 1 is superreflexive. Together with the known converse, this characterizes superreflexivity by nontrivial Markov type. This answers Naor's question: every real Banach space with nontrivial Markov type admits an equivalent uniformly smooth norm.

Status

Preprint. The paper has not been independently reviewed. Treat the result as OpenAI's claim until other mathematicians have checked it. If a video exists, it illustrates the statement; it is not the proof.

Related results in Functional analysis

All 11 results in Functional analysis →