# Global analytic hypoellipticity for a class of evolution operators on <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"> <mml:msup> <mml:mrow> <mml:mi mathvariant="double-struck">T</mml:mi> </mml:mrow> <mml:mrow> <mml:mn>1</mml:mn> </mml:mrow> </mml:msup> <mml:mo>×</mml:mo> <mml:msup> <mml:mrow> <mml:mi mathvariant="double-struck">S</mml:mi> </mml:mrow> <mml:mrow> <mml:mn>3</mml:mn> </mml:mrow> </mml:msup> </mml:math>

> Research article (Journal of Differential Equations, 2021) · cited 10× · AI/ML

**Wikidata**: [openalex:W3001963971](https://www.wikidata.org/wiki/openalex:W3001963971)  
**Source**: https://4ort.xyz/entity/global-analytic-hypoellipticity-for-a-class-of-evolution-operators-on-mml-math-xmlns-mml-http-www-w3-org-1998-math-mathm