The electronic Computational Homotopy Theory (eCHT) online research community sponsors a variety of activities related to research in pure mathematics, mostly in algebraic topology, homotopy theory, and related topics.  See the links below for more information about us.

eCHT Research Seminar

eCHT Minicourses

eCHT Reading Seminars

electronic Algebraic Topology Employment Network

Please subscribe to our mailing list to be kept informed of all eCHT news and events.

For more information, contact Dan Isaksen at

Related online resources

Junior Mathematician Research Archive (JMRA)

electronic Algebraic K-Theory Seminar (eAKTS)