Some topological results of Ricci limit spaces

Jiayin Pan, Jikang Wang

We study the topology of a Ricci limit space $(X,p)$, which is the Gromov-Hausdorff limit of a sequence of complete $n$-manifolds $(M_i,p_i)$ with $\mathrm{Ric}\ge -(n-1)$. Our fi…