Computational Complexity Conference

The Computational Complexity Conference (CCC) is an annual conference on the inherent difficulty of computational problems in terms of the resources they require. It is organized by the Computational Complexity Foundation (CCF).

CCC 2026
August 3–6, Lisbon, Portugal
Call for Papers

CCC 2025
August 5–8, Toronto, Canada
Call for Papers | Program | Local Arrangements | Proceedings

CCC 2024
July 22–25, Ann Arbor, MI, USA
Call for Papers | Program | Local Arrangements | Proceedings

Future and Past Conferences

Announcements

  • CCC 26 will take place in Lisbon, Portugal from August 3 2026, to August 6, 2026.

  • The chair of CCC 2026 will be Dana Moshkovitz.

  • We are starting a Test of Time award at CCC. Nominations can be done here, deadline is March 2, 2026.

  • CCC switched to a google group for announcements instead of the old mailing list. To join please go to ccc-announcements.

  • A satellite workshop in the series Complexity as a Kaleidoscope will take place in Lisbon from July 30 to August 1, 2026. See complexitykaleidoscope.wordpress.com for more details.

About the conference

Governance

Organized by:

In Cooperation with: