An annual conference on the inherent difficulty of computational problems in terms of the resources they require, organized by the Computational Complexity Foundation (CCF).


  • The call for papers for CCC 2016 is posted. The submission deadline is November 23, 2015. The submission server is active.

  • CCC'16 will take place in Tokyo, Japan from May 29 until June 1. Local arrangements will be posted to this site later.

  • Notes of the CCC'15 Business Meeting and related documents are available from the CCF website.

  • The open access proceedings of CCC'15 are online. See the program for links to the papers.

General Info

Future and Past Conferences


CCC 2016 is

Organized by:

Computational Complexity Foundation Inc.

Exploring the Limits of Computation (ELC), KAKENHI Japan

In Cooperation with:


Sponsored by:

Microsoft Research