--- date: 2022-02-23 18:45 modification date: Friday 1st April 2022 20:45:07 title: "H-space" aliases: [H-space] --- Last modified date: <%+ tp.file.last_modified_date() %> --- - Tags - #homotopy - Refs: - #todo/add-references - Links: - #todo/create-links --- # H-space Can upgrade to an [E_infty](Unsorted/E_n%20ring%20spectrum.md) space. - Slogan: a group up to homotopy ![](attachments/Pasted%20image%2020220401204512.png) # Examples - $\BU \times \ZZ$, see [topological K theory](Unsorted/topological%20K%20theory.md). ![](attachments/Pasted%20image%2020220503130118.png)