Real projective groups are formal
Abstract We prove that the mod 2 cohomology algebras of real projective groups are intrinsically formal. As a consequence we derive the Hopkins–Wickelgren formality and the strong Massey vanishing conjecture for a large class of fields.
Authors
- Gereon Quick (ORCID: https://orcid.org/0000-0003-1898-1647)
- Ambrus Pál (ORCID: https://orcid.org/0000-0003-3918-337X)
Institutions
- Imperial College London (GB)
Publication Details
- Journal
- Mathematische Annalen
- Published
- 2025-04-02
- DOI
- https://doi.org/10.1007/s00208-025-03145-2
- Citations
- 2
- Primary Topic
- Algebraic structures and combinatorial models
- Type
- article
- Field-Weighted Citation Impact
- 8.18
Funders
- Norges Teknisk-Naturvitenskapelige Universitet
- Trond Mohn stiftelse
- Universitetet i Oslo
- Norges Forskningsråd
- St. Olavs Hospital Universitetssykehuset i Trondheim
- Division of Mathematical Sciences