--- date: 2022-04-05 23:42 modification date: Tuesday 5th April 2022 23:42:25 title: "aspherical space" aliases: [aspherical space] --- Last modified date: <%+ tp.file.last_modified_date() %> --- - Tags: - #todo/untagged - Refs: - #todo/add-references - Links: - #todo/create-links --- # aspherical space Definition: An **aspherical** space $X$ is anything of the homotopy type $K(\pi_1 X, 1)$, i.e. $\pi_k(X) = 0$ for $k\geq 2$. ![](attachments/Pasted%20image%2020220408005710.png) ![](attachments/Pasted%20image%2020220408005727.png)