Last modified date: <%+ tp.file.last_modified_date() %>

• Tags
  • #todo/untagged
• Refs:
  • #todo/add-references
• Links:
  • #todo/create-links

Freudenthal Suspension Theorem

If \(X\) is an \(n{\hbox{-}}\) connected CW complex, then there are maps \(\pi_i X \to \pi_{i+1} \Sigma X\) which is an isomorphism for \(i\leq 2n\) and a surjection for \(i=2n+1\).

Examples