# Local formula for the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi mathvariant="double-struck">Z</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math> invariant of topological insulators

> Research article (Physical review. B./Physical review. B, 2019) · cited 15× · AI/ML

**Wikidata**: [openalex:W2987233907](https://www.wikidata.org/wiki/openalex:W2987233907)  
**Source**: https://4ort.xyz/entity/local-formula-for-the-mml-math-xmlns-mml-http-www-w3-org-1998-math-mathml-mml-msub-mml-mi-mathvariant-double-struck-z-mm