ECCC
Electronic Colloquium on Computational Complexity
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About the ECCC

What we do and why

The Electronic Colloquium on Computational Complexity is a new forum for the rapid and widespread interchange of ideas, techniques, and research in computational complexity. The purpose of this Colloquium is to use electronic media for scientific communication and discussions in the computational complexity community. The Electronic Colloquium on Computational Complexity (ECCC) welcomes papers, short notes and surveys with
  • relevance to the theory of computation,
  • clear mathematical profile and
  • strictly mathematical format.

Central topics

  • models of computation and their complexity,
  • trade-off results,
  • complexity bounds (with the emphasis on lower bounds).
      Specific areas including complexity issues are
    • combinatorics,
    • communication complexity,
    • cryptography,
    • combinatorial optimization,
    • complexity of learning algorithms,
    • logic.

More reading

Here are some papers on the idea and concept of electronic colloquia and ECCC.
Latest News
6th March 2012 12:04

ECCC Archive DVD 2011

In 2011 we had a total count of 174 published reports on ECCC. The collection of all the reports from 2011 is now available on DVD. You can order the archive (and also the archive DVDs from earlier years) at the local office. Please email to eccc@eccc.hpi-web.de for ordering.

9th March 2011 09:41

ECCC Archive DVD 2010

The collection of all reports published on ECCC in 2010 is now available on DVD. You can order the archive (and also the archive DVDs from earlier years) at the local office.
Please email to eccc@eccc.hpi-web.de for ordering.

8th April 2010 10:10

Adapted Call for Papers

With the extension of our scientific board and the implementation of the improved screening mechanism incorporating topics of interest already in the submission process, the ECCC can now provide a clarified Call for Papers.
Please keep in mind, that the ECCC focusses on complexity issues rather than on general algorithmic topics. If you plan to submit, please verify that your work matches the scope of interest defined in the CfP.

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Latest Reports
TR14-054 | 16th April 2014
Dana Moshkovitz

Parallel Repetition of Fortified Games

The Parallel Repetition Theorem upper-bounds the value of a repeated (tensored) two prover game G^k in terms of the value of the game G and the number of repetitions k.
Contrary to what one might have guessed, the value of G^k is not val(G)^k, but rather a more complicated ... more >>>


TR14-053 | 15th April 2014
Harry Buhrman, Richard Cleve, Michal Koucky, Bruno Loff, Florian Speelman

Computing with a full memory: Catalytic space

We define the notion of a catalytic-space computation. This is a computation that has a small amount of clean space available and is equipped with additional auxiliary space, with the caveat that the additional space is initially in an arbitrary, possibly incompressible, state and must be returned to this state ... more >>>


TR14-052 | 14th April 2014
Joshua Grochow, Toniann Pitassi

Circuit complexity, proof complexity, and polynomial identity testing

We introduce a new and very natural algebraic proof system, which has tight connections to (algebraic) circuit complexity. In particular, we show that any super-polynomial lower bound on any Boolean tautology in our proof system implies that the permanent does not have polynomial-size algebraic circuits ($VNP \neq VP$). As a ... more >>>


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