On homogeneous manifolds whose isotropy actions are polar

JC Díaz-Ramos, M Domínguez-Vázquez… - manuscripta …, 2020 - Springer
We show that simply connected Riemannian homogeneous spaces of compact semisimple
Lie groups with polar isotropy actions are symmetric, generalizing results of Fabio Podestà …

Manifolds with large isotropy groups

A Kollross, E Samiou - 2011 - degruyter.com
Manifolds with large isotropy groups Page 1 Adv. Geom. 11 (2011), 89–102 Advances in
Geometry DOI 10.1515 / ADVGEOM.2010.040 c de Gruyter 2011 Manifolds with large isotropy …