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Strongly rational unitary vertex operator algebras and conformal nets
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Abstract
Every simple unitary strongly rational vertex operator algebra generates a completely rational conformal net. All its simple grading-restricted modules are unitarizable, its canonical fusion forms are positive, and the Carpi–Weiner–Xu functor gives a braided unitary tensor equivalence from its grading-restricted finite-length module category onto the finite-index sectors of the net. Gui's extension theorems then identify normalized irreducible finite-index local extensions of these nets with simple CFT-type conformal extensions of the vertex operator algebras.
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Notes
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Automatically collected notes (unreviewed)
work in progress
Collected automatically by AI tools (Claude Opus 5.5 and GPT-6 Astra, 2026-10-21) and not checked by a person. May be wrong or incomplete. Report an error.
Formalization
- OpenAI math release, Lean scope notes for family 280 (release documentation, 2026-10-06). According to these notes, the Lean statement covers only clause (1) of Theorem 1.1 (polynomial energy bounds, CKLW strong locality, irreducible conformal net), excluding complete rationality, complete unitarity, the braided tensor equivalence and the extension correspondence.
- OpenAI math release, VertexAlgebraNet.lean (comparator challenge) (github.com/openai/math, 2026). Comparator statement
OAI.MinimalVertex.mainfor clause (1): for a simple, unitary, strongly rational CFT-type VOA, polynomial energy bounds, CKLW strong locality and an irreducible conformal net structure on the interval algebras; the proof is left assorryin this challenge file. - OpenAI math release, MinimalComparator.lean (github.com/openai/math, commit adc7f12). Solution module that proves the comparator statement
mainby reduction tosource_main_clause_one, imported fromOAI.RepresentationTheory.VertexAlgebra.MainClauseOne.
Related prior literature mentioned by others
- Sebastiano Carpi, Yasuyuki Kawahigashi, Roberto Longo and Mihály Weiner, From vertex operator algebras to conformal nets and back (arXiv:1503.01260, 2015; revised 2018). The exposition by みしぇる沖 explicitly identifies this work as the correspondence framework underlying the manuscript's energy-bound and strong-locality claims.
Possibly relevant literature (found by the agent, not checked)
- B. Gui, Unitarity of the modular tensor categories associated to unitary vertex operator algebras, I (arXiv:1711.02840, Commun. Math. Phys. 366 (2019)). Part I of the series whose Part II is cited; it constructs inner products on intertwining-operator spaces and studies energy bounds of intertwining operators, which relates to the complete-unitarity and charged-field-bound claims (Theorem 1.1(2)).
- J. E. Tener, Geometric realization of algebraic conformal field theories (arXiv:1611.01176, Adv. Math. 349 (2019)). Builds conformal nets from unitary VOAs via bounded localized operators obtained by geometric (Segal-type) smoothing, an alternative route to the vacuum-net construction in Theorem 1.1(1) and the annulus regularization of Section 3.
- J. E. Tener, Representation theory in chiral conformal field theory: from fields to observables (arXiv:1810.08168, Selecta Math. 25 (2019), 76). Extends geometric interpolation to modules and builds local intertwiners from VOA intertwining operators, which relates to the module-integration claim (Theorem 1.1(3)) and the fusion comparison.
- B. Gui, Categorical extensions of conformal nets (arXiv:1812.04470, Commun. Math. Phys. 383 (2021)). Introduces categorical extensions to compare the ribbon categories of unitary VOAs and conformal nets, a framework underlying the braided equivalence in Theorem 1.1(5).
- Sebastiano Carpi and Tiziano Gaudio, Conformal Nets from Minimal W-Algebras (Communications in Mathematical Physics 406, article 300, 2025-10-30). Its strong graded locality and complete rationality results for strongly rational unitary minimal W-algebras provide a model-class comparison for Theorem 1.1(1) and (4), in the broader vertex-superalgebra and graded-local-net setting.
Digests and expositions
- みしぇる沖, 〖論文解説〗Strongly rational unitary vertex operator algebras and conformal nets〖OpenAI〗 (note.com, 2026-10-11). This Japanese exposition explains the distinction between locality of unbounded fields and strong locality of their generated algebras, then describes the manuscript's claimed unitarizability and representation-category correspondence.
Elsewhere
- VibeMathed: Problem record
- Emergent Mind: family 280
Independent sites; their content is not reviewed here.
Cite
@misc{OAI:Strongly-rational-unitary-vertex-operator-algebras-and-conformal-nets-September-25-2026,
author = {{OpenAI}},
title = {{Strongly rational unitary vertex operator algebras and conformal nets}},
howpublished = {OpenAI Math Release preprint
\href{https://github.com/openai/math/blob/main/preprints/Strongly-rational-unitary-vertex-operator-algebras-and-conformal-nets-September-25-2026/paper.pdf}{OAI:Strongly-rational-unitary-vertex-operator-algebras-and-conformal-nets-September-25-2026}},
year = {2026}
}Lean formalization
OpenAI provides Lean files for this family: lean/docs/280.md. The Lean statements have not been checked by people against the paper's claims.
Family 280: Unitary vertex operator algebras and conformal nets
Proves the strongly rational case of the strong-locality conjecture: every simple unitary strongly rational complex vertex operator algebra generates a completely rational conformal net. Its simple modules are unitarizable, and its representation category agrees with the net’s finite-index sectors as a braided unitary tensor category.
This is the only paper in this family.