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
TR14-057 | 17th April 2014
Manindra Agrawal, Diptarka Chakraborty, Debarati Das, Satyadev Nandakumar

Measure of Non-pseudorandomness and Deterministic Extraction of Pseudorandomness

In this paper, we propose a quantification of distributions on a set
of strings, in terms of how close to pseudorandom the distribution
is. The quantification is an adaptation of the theory of dimension of
sets of infinite sequences first introduced by Lutz
\cite{Lutz:DISS}.
We show that this definition ... more >>>


TR14-056 | 18th April 2014
Zeev Dvir, Rafael Mendes de Oliveira

Factors of Sparse Polynomials are Sparse

We show that if $f(x_1,\ldots,x_n)$ is a polynomial with $s$ monomials and $g(x_1,\ldots,x_n)$ divides $f$ then $g$
has at most $\max(s^{O(\log s \log\log s)},d^{O(\log d)})$ monomials, where $d$ is a bound on the individual degrees
of $f$. This answers a question of von zur Gathen and Kaltofen (JCSS ... more >>>


TR14-055 | 17th April 2014
Mika Göös, Thomas Watson

Communication Complexity of Set-Disjointness for All Probabilities

We study set-disjointness in a generalized model of randomized two-party communication where the probability of acceptance must be at least alpha(n) on yes-inputs and at most beta(n) on no-inputs, for some functions alpha(n)>beta(n). Our main result is a complete characterization of the private-coin communication complexity of set-disjointness for all functions ... more >>>


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