Computational Complexity Conference

Future and Past Conferences

39th CCC, July 22 - 25, 2024, Ann Arbor, Michigan, USA

PC Chair: Rahul Santhanam
Local Chair: Mahdi Cheraghchi

Call for Papers

38th CCC, July 18 - 20, 2023, Warwick, UK

PC Chair: Amnon Ta-Shma
Local Chair: Tom Gur

Call for Papers | Program | Local Arrangements

37th CCC, July 20 - 23, 2022, Philadelphia, Pennsylvania, USA

PC Chair: Shachar Lovett
Local Chair: Anindya De

Best student paper award winner: Derandomization from Time-Space Tradeoffs by Oliver Korten
Best student paper award winner: Improved Pseudorandom Generators for AC^0 Circuits by Xin Lyu
Best paper award winner: The Acrobatics of BQP by Scott Aaronson, Devon Ingram, and William Kretschmer

Call for Papers | Program | Local Arrangements

36th CCC, July 20 - 22, 2021, Online

PC Chair: Valentine Kabanets
Local Chair: Benjamin Rossman

Best student paper award winner: A Lower Bound for Polynomial Calculus with Extension Rule by Yaroslav Alekseev

Due to Covid-19 related public health measures, the conference was held in a virtual online format instead of the originally planned physical event at Toronto, ON, Canada. The day of tutorials planned for July 19 was cancelled.

Videos of the conference talks: CCC YouTube channel

Call for Papers | Program | Local Arrangements | Proceedings: LIPIcs

35th CCC, July 28 - 30, 2020, Online

PC Chair: Shubhangi Saraf
Local Chair: Markus Blaeser

Best student paper award winner: Connecting Perebor Conjectures: Towards a Search to Decision Reduction for Minimizing Formulas by Rahul Ilango
Best paper award winner: On the Complexity of Branching Proofs by Daniel Dadush and Samarth Tiwari

Due to Covid-19 related public health measures, the conference was held in a virtual online format instead of the originally planned physical event at Saarbruecken, Germany. The day of tutorials planned for July 27 was cancelled.

Videos of the conference talks: CCC YouTube channel

Call for Papers | Program | Local Arrangements | Proceedings: LIPIcs

34th CCC, July 18 - 20, 2019, New Brunswick, New Jersey, USA

PC Chair: Amir Shpilka
Local Chair: Eric Allender

Best student paper award winner: Limits on the Universal Method for Matrix Multiplication by Josh Alman

Pre-conference events:

Call for Papers | Program | Local Arrangements | Proceedings: LIPIcs | Special Issue: ToC 16

33rd CCC, June 22 - 24, 2018, San Diego, California, USA

PC Chair: Rocco Servedio
Local Chair: Shachar Lovett

Best student paper award winner: The Complexity of the Cayley Semigroup Membership Problem by Lukas Fleischer

Call for Papers | Program | Local Arrangements | Proceedings: LIPIcs | Special Issue: ToC 15

32nd CCC, July 6 - 9, 2017, Riga, Latvia

PC Chair: Ryan O'Donnell
Local Chair: Andris Ambainis

Best student paper award winner: A quadratic lower bound for homogeneous algebraic branching programs by Mrinal Kumar
Best paper award winner: Settling the query complexity of non-adaptive junta testing by Xi Chen, Rocco Servedio, Li-Yang Tan, Erik Waingarten, Jinyu Xie

Tutorial: Operator scaling - theory, applications and connections by Avi Wigderson

Call for Papers | Program | Local Arrangements | Proceedings: LIPIcs | Special Issue: ToC 14-15

31st CCC, May 29 - June 1, 2016, Tokyo, Japan

PC Chair: Ran Raz
Local Chair: Osamu Watanabe

Best paper award winner: Learning algorithms from natural proofs by Marco Carmosino, Russell Impagliazzo, Valentine Kabanets, and Antonina Kolokolova

Pre-conference event: 30th Anniversary Celebration (slide show)

Call for Papers | Program | Local Arrangements | Proceedings: LIPIcs | Special Issue: ToC 13

30th CCC, June 17-19, 2015, Portland, Oregon, USA

PC Chair: David Zuckerman
FCRC Liaison: Dieter van Melkebeek

Best student paper award winner: Factors of polynomials of low individual degree by Rafael Oliveira
Best paper award winner: Correlation bounds against monotone NC1 by Benjamin Rossman

Call for Papers | Program | Local Arrangements | Proceedings: LIPIcs | Special Issue: CC 25(2)

29th CCC*, June 11-13, 2014, Vancouver, British Columbia, Canada

PC Chair: Michael Saks
Local Chair: Valentine Kabanets

Best student paper award winner: Quantum algorithms for learning symmetric juntas via the adversary bound by Alexander Belovs

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: CC 24(2)

28th CCC*, June 5-7, 2013, Stanford, California, USA

PC Chair: Chris Umans
Local Chair: Luca Trevisan

Best student paper award winner: On the Power of Non-Adaptive Learning Graphs by Aleksandrs Belovs and Ansis Rosmanis
Best paper award winner: The Correct Exponent for the Gotsman-Linial Conjecture by Daniel Kane
Best paper award winner: Approaching the Chasm at Depth Four by Ankit Gupta, Pritish Kamath, Neeraj Kayal, and Ramprasad Saptharishi

Collocation: STOC June 1-4

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: CC 23(2)

27th CCC*, June 26-29, 2012, Porto, Portugal

PC Chair: Venkatesan Guruswami
Local Chair: Luis Antunes

Best student paper award winner: Limitations of Lower-Bound Methods for the Wire Complexity of Boolean Operators by Andrew Drucker

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: CC 22(2)

26th CCC*, June 8-10, 2011, San Jose, California, USA

PC Chair: Omer Reingold
FCRC Liaison: Peter Bro Miltersen

Best student paper award winner: Improved Direct Product Theorems for Randomized Query Complexity by Andrew Drucker
Best paper award winner: Non-Uniform ACC Circuit Lower Bounds by Ryan Williams

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: CC 21(2)

25th CCC*, June 9-11, 2010, Cambridge, Massachusetts, USA

PC Chair: Dieter van Melkebeek
Local Chair: Salil Vadhan

Best student paper award winner: The Gaussian surface area and noise sensitivity of degree-d polynomial threshold functions by Daniel Kane

Collocation: STOC June 5-8

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: CC 20(2)

24th CCC*, July 15-18, 2009, Paris, France

PC Chair: Johan Håstad
Local Chair: Sophie Laplante

Best student paper award winner: Lipschitz Continuous Ordinary Differential Equations Are Polynomial-Space Complete by Akitoshi Kawamura
Best paper award winner: Poly-logarithmic Independence Fools AC^0 Circuits by Mark Braverman

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: CC 19(2)

23rd CCC*, June 23-26, 2008, College Park, Maryland, USA

PC Chair: Paul Beame
Local Chair: William Gasarch

Best student paper award winner: Approximate Inclusion-Exclusion for Arbitrary Symmetric Functions by Alexander Sherstov
Best paper award winner: Lower Bounds and Separations for Constant Depth Multilinear Circuits by Ran Raz and Amir Yehudayoff
Best paper award winner: The Sum of d Small-Bias Generators Fools Polynomials of Degree d by Emanuele Viola

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: CC 18(2)

22nd CCC*, June 13-16, 2007, San Diego, California, USA

PC Chair: Peter Bro Miltersen
FCRC Liaison: Pierre McKenzie

Best student paper award winner: Halfspace Matrices by Alexander Sherstov
Best student paper award winner: Time-Space Tradeoffs for Counting NP Solutions Modulu Integers by Ryan Williams
Best paper award winner: Unbalanced Expanders and Randomness Extractors from Parvaresh-Vardy Codes by Venkatesan Guruswami, Christopher Umans, and Salil Vadhan

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: CC 17(2)

21st CCC*, July 17-20, 2006, Prague, Czech Republic

PC Chair: Manindra Agrawal
Local Chair: Pavel Pudlák

Best student paper award winner: Polynomial Identity Testing for Depth 3 Circuits by Neeraj Kayal and Nitin Saxena
Best paper award winner: Polynomial Identity Testing for Depth 3 Circuits by Neeraj Kayal and Nitin Saxena

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: CC 16(2)

20th CCC*, June 12-15, 2005, San Jose, California, USA

PC Chair: Luca Trevisan
Local Chair: D. Sivakumar and Ravi Kumar

Best student paper award winner: Better Time-Space Lower Bounds for SAT and Related Problems by Ryan Williams
Best paper award winner: Pseudorandomness for Approximate Counting and Sampling by Ronen Shaltiel and Chris Umans

Call for Papers | Proceedings: CSDL/IEEExplore | Special Issue: CC 15(2 and 4)

19th CCC*, June 21-24, 2004, Amherst, Massachusetts, USA

PC Chair: Russell Impagliazzo
Local Chair: David Mix Barrington and Neil Immerman

Best student paper award winner: Limitations of Quantum Advice and One-Way Communication by Scott Aaronson
Best paper award winner: Deterministic Polynomial Identity Testing in Non-commutative Models by Ran Raz and Amir Shpilka

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: CC 14(1, 2, and 3)

18th CCC*, July 7-10, 2003, Århus, Denmark

PC Chair: Harry Buhrman
Local Chair: Peter Bro Miltersen

Best student paper award winner: Quantum Certificate Complexity by Scott Aaronson
Best paper award winner: Extremal Properties of Polynomial Threshold Functions by Ryan O'Donnell and Rocco Servedio

Kolmogorov Day (Sunday, July 6th, 2003)

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: JCSS 74(3)

17th CCC*, May 21-24, 2002, Montréal, Québec, Canada

PC Chair: Anne Condon
Local Chair: Pierre McKenzie

Best student paper award winner: Hardness Amplification within NP by Ryan O'Donnell
Best paper award winner: Resolution Lower Bounds for Perfect Matching Principles by Ran Raz
Best paper award winner: Resolution Lower Bounds for the Weak Pigeon Hole Princple by Alexander Razborov

Collocation: STOC May 19-21

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: JCSS 69(1)

16th CCC*, June 18-21, 2001, Chicago, Illinois, USA

PC Chair: Madhu Sudan
Local Chair: John Rogers

Best student paper award winner: A Linear Lower Bound on the Unbounded Error Probabilistic Communication Complexity by Juergen Forster
Best paper award winner: In Search of an Easy Witness: Exponential Time vs. Probabilistic Polynomial Time by Russell Impagliazzo, Valentine Kabanets, and Avi Wigderson

Call for Papers | Program | Proceedings: CSDL/IEEExplore | Special Issue: JCSS 65(4)

15th CCC*, July 4-7, 2000, Florence, Italy

PC Chair: Pavel Pudlák
Local Chair: Pierluigi Crescenzi

Best student paper award winner: Easiness Assumptions and Hardness Tests: Trading Time for Zero Error by Valentine Kabanets

Call for Papers | Program | Proceedings: CSDL/IEEExplore | Special Issue: JCSS 63(2)

14th CCC*, May 4-6, 1999, Atlanta, Georgia, USA

PC Chair: Lance Fortnow
FCRC Liaison: Eric Allender

Best student paper award winner: Graph Ramsey Theory and the Polynomial Hierarchy by Marcus Schaefer

Call for Papers | Program | Proceedings: CSDL/IEEExplore | Special Issue: JCSS 62(2)

13th CCC*, June 15-18, 1998, Buffalo, New York, USA

PC Chair: Joan Feigenbaum
Local Chair: Ken Regan

Best student paper award winner: Relationships Between Quantum and Classical Space-Bounded Complexity Classes by John Watrous

Call for Papers | Program | Local Arrangements | Proceedings: CSDL/IEEExplore | Special Issue: JCSS 59(2)

12th CCC*, June 24-27, 1997, Ulm, Germany

PC Chair: José Balcázar
Local Chair: Uwe Schöning and Jacobo Torán

Best student paper award winner: LR(k) Testing is Average-Case Complete by Cristoph Karg

Call for Papers | Program | Proceedings: CSDL/IEEExplore | Special Issue: JCSS 60(2)

11th CCC*, May 24-27, 1996, Philadelphia, Pennsylvania, USA

PC Chair: Jin-Yi Cai
FCRC Liaison: Steven Homer

Best student paper award winner: Reducing P to a Sparse Set Using a Constant Number of Queries Collapses P to L by Dieter van Melkebeek

Proceedings: CSDL/IEEExplore | Special Issue: JCSS 57(2)

10th Structures, June 19-22, 1995, Minneapolis, Minnesota, USA

PC Chair: Eric Allender
Local Chair: Ding-Zhu Du

Proceedings: CSDL/IEEExplore | Special Issue: JCSS 54(3)

9th Structures, June 28 - July 1, 1994, Amsterdam, The Netherlands

PC Chair: Uwe Schöning
Local Chair: Peter van Emde Boas and Paul Vitanyi

Proceedings: IEEExplore | Special Issue: JCSS 53(2)

8th Structures, May 18-21, 1993, San Diego, California, USA

PC Chair: Steven Homer
FCRC Liaison: Timothy Long

Proceedings: IEEExplore | Special Issue: JCSS 53(2)

7th Structures, June 22-25, 1992, Boston, Massachusetts, USA

PC Chair: Timothy Long
Local Chair: Steven Homer and Luc Longpré

Proceedings: IEEExplore | Special Issue: JCSS 50(3)

6th Structures, June 30 - July 3, 1991, Chicago, Illinois, USA

PC Chair: Neil Immerman
Local Chair: Stuart Kurtz

Proceedings: IEEExplore | Special Issue: JCSS 50(3)

5th Structures, July 8-11, 1990, Barcelona, Spain

PC Chair: Alan Selman
Local Chair: Jose Balcázar and Jacobo Toran

Proceedings: IEEExplore | Special Issue: TCS 107(1)

4th Structures, June 19-22, 1989, Eugene, Oregon, USA

PC Chair: Paul Young
Local Chair: Eugene Luks and Chris Wilson

Proceedings: IEEExplore | Special Issue: JCSS 44(2)

3rd Structures, June 14-17, 1988, Washington, D.C., USA

PC Chair: Juris Hartmanis
Local Chair: John Cherniavsky

Proceedings: IEEExplore | Special Issue: JCSS 41(3)

2nd Structures, June 16-19, 1987, Ithaca, New York, USA

PC Chair: Stephen Mahaney
Local Chair: Dexter Kozen

Bibliography | Special Issue: JCSS 39(1 and 3)

1st Structures, June 2-5, 1986, Berkeley, California, USA

PC Chair: Alan Selman and Stephen Mahaney
Local Chair: Gene Lawler

Collocation: STOC May 28-30

Proceedings: Springer LNCS | Special Issue: JCSS 36(3)

* From 1996 till 2014 CCC stands for Annual IEEE Conference on Computational Complexity rather than Computational Complexity Conference.