The *J-spectrum* is a spectrum whose homotopy groups are close to being the image of the J-homomorphism.

(e.g Mahowald-Ravenel, section 4)

- Mark Mahowald, Doug Ravenel,
*Towards a Global Understanding of the Homotopy Groups of Spheres*(pdf)

Created on November 18, 2013 at 00:05:19. See the history of this page for a list of all contributions to it.