Let be a non-collapsing Ricci limit space and let . We show that for any , there is such that every loop in is contractible in , where . In particular, is semi-locally simply connected.
Cite this article
Jiayin Pan, Guofang Wei, Semi-local simple connectedness of non-collapsing Ricci limit spaces. J. Eur. Math. Soc. (2022), published online firstDOI 10.4171/JEMS/1166