12. CoCo 1997: Ulm, Germany

Proceedings of the Twelfth Annual IEEE Conference on Computational Complexity, June 24-27, 1997, Ulm, Germany. IEEE Computer Society Press, 1997, ISBN 0-8186-7907-7

Session 1

Harry Buhrman, Lance Fortnow, Leen Torenvliet:
Six Hypotheses in Search of a Theorem. 2-12
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Daniel Hammer, Andrei E. Romashchenko, Alexander Shen, Nikolai K. Vereshchagin:
Inequalities for Shannon entropies and Kolmogorov complexities. 13-23
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Richard Beigel, Bin Fu:
Circuits Over PP and PL. 24-35
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Bernd Borchert, Riccardo Silvestri:
The General Notion of a Dot-Operator. 36-44
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Klaus-Jörn Lange, Pierre McKenzie, Alain Tapp:
Reversible Space Equals Deterministic Space. 45-50
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Session 2

Lance Fortnow:
Nondeterministic Polynomial Time versus Nondeterministic Logarithmic Space: Time-Space Tradeoffs for Satisfiability. 52-60
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Kenneth W. Regan:
Polynomial Vicinity Circuits and Nonlinear Lower Bounds. 61-68
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Rainer Schuler:
A Note on Universal Distributions for Polynomial-Time Computable Distributions. 69-73
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Christoph Karg:
LR(k) Testing is Average Case Complete. 74-80
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Session 3

Evgeny Dantsin, Thomas Eiter, Georg Gottlob, Andrei Voronkov:
Complexity and Expressive Power of Logic Programming. 82-101
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Stephen A. Fenner, Steven Homer, Randall Pruim, Marcus Schaefer:
Hyper-Polynomial Hierarchies and the NP-Jump. 102-110
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Jack H. Lutz, Yong Zhao:
The Density of Weakly Complete Problems under Adaptive Reductions. 111-120
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Klaus Ambos-Spies, Levke Bentzien:
Separating NP-Completeness Notions under Strong Hypotheses. 121-127
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Rodney G. Downey, André Nies:
Undecidability Results for Low Complexity Degree Structures. 128-132
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Session 4

Manindra Agrawal, Eric Allender, Samir Datta:
On TC⁰, AC⁰, and Arithmetic Circuits. 134-148
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Richard Beigel, Alexis Maciel:
Upper and Lower Bounds for Some Depth-3 Circuit Classes. 149-157
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Liming Cai, Jianer Chen, Johan Håstad:
Circuit Bottom Fan-in and Computational Power. 158-164
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Christer Berg, Staffan Ulfberg:
A Lower Bound for Perceptrons and an Oracle Separation of the PP^PH Hierarchy. 165-172
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Session 5

Heribert Vollmer, Klaus W. Wagner:
On Operators of Higher Types. 174-184
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Maren Hinrichs, Gerd Wechsung:
Time Bounded Frequency Computations. 185-192
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Joshua Berman, Arthur Drisko, François Lemieux, Cristopher Moore, Denis Thérien:
Circuits and Expressions with NOn-Associative Gates. 193-203
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Vikraman Arvind, Jacobo Torán:
A Nonadaptive NC Checker for Permutation Group Intersection. 204-212
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Ulrich Hertrampf:
Acceptance by Transformation Monoids (with an Application to Local Self Reductions). 213-224
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Session 6

Allan Borodin, Ran El-Yaniv:
On Ranomization in Online Computation. 226-238
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László Babai, Peter G. Kimmel:
Randomized Simultaneous Messages: Solution of a Problem of Yao in Communication Complexity. 239-246
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Gábor Tardos, Uri Zwick:
The Communication Complexity of the Universal Relation. 247-259
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Session 7

Pierluigi Crescenzi:
A Short Guide to Approximation Preserving Reductions. 262-273
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Jianer Chen, Donald K. Friesen, Hao Zheng:
Tight Bound on Johnson's Algoritihm for Max-SAT. 274-281
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Sanjeev Khanna, Madhu Sudan, Luca Trevisan:
Constraint Satisfaction: The Approximability of Minimization Problems. 282-296
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Janos Simon, Shi-Chun Tsai:
A Note on the Bottleneck Counting Argument. 297-301
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Stasys Jukna:
Finite Limits and Monotone Computations: The Lower Bounds Criterion. 302-313
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