The tensor triangular geometry of valuation domains
We study the tensor triangular geometry of derived categories of valuation domains, obtaining complete ring-theoretic characterizations of their main structural properties. In particular, although valuation domains are almost always non-noetherian, their derived categories always satisfy the local-to-global principle and hence the detection property. We establish precise criteria for homological detection, stratification, and homological stratification, revealing a clear hierarchy among these properties. Notably, we obtain examples of derived categories of commutative rings that are homologically stratified and satisfy the local-to-global principle, but are not stratified. We also determine when the category of modules over a valuation domain has Gabriel dimension, and use this to provide a negative answer to a question of Balchin, Gómez and Stevenson. Overall, valuation domains provide a rich class of non-noetherian rings whose derived categories can be understood in considerable depth.
Authors
- Tobias Barthel (ORCID: https://orcid.org/0000-0001-9023-8511)
- Drew Heard (ORCID: https://orcid.org/0000-0002-0895-3354)
- Beren Sanders (ORCID: https://orcid.org/0000-0002-9550-6447)
- Changhan Zou (ORCID: https://orcid.org/0000-0002-3465-3734)
Publication Details
- Journal
- arXiv (Cornell University)
- Published
- 2026-11-03
- DOI
- https://doi.org/10.48550/arxiv.2611.05298
- Primary Topic
- Algebraic structures and combinatorial models
- Type
- preprint