Positive intermediate curvatures and Ricci flow

David González-Álvaro, Masoumeh Zarei

We show that, for any $n\ge 2$, there exists a homogeneous space of dimension $d=8n-4$ with metrics of ${\mathrm{Ric}}_{\frac{d}{2}-5}>0$ if $n\ne 3$ and ${\mathrm{Ric}}_6>0$ if $n=3…