# Rigidity of marginally outer trapped (hyper)surfaces with negative 𝜎-constant

> Research article (Transactions of the American Mathematical Society, 2018) · cited 10× · AI/ML

**Wikidata**: [openalex:W2963792756](https://www.wikidata.org/wiki/openalex:W2963792756)  
**Source**: https://4ort.xyz/entity/rigidity-of-marginally-outer-trapped-hyper-surfaces-with-negative-constant