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TCS
2011
14 years 11 months ago
Four states are enough!
This paper presents a 1D intrinsically universal cellular automaton with four states for a first neighbors neighborhood, improving on the previous lower bound and getting nearer ...
Nicolas Ollinger, Gaétan Richard
CP
2004
Springer
15 years 10 months ago
Disjoint, Partition and Intersection Constraints for Set and Multiset Variables
We have started a systematic study of global constraints on set and multiset variables. We consider here disjoint, partition, and intersection constraints in conjunction with cardi...
Christian Bessière, Emmanuel Hebrard, Brahi...
ICALP
2004
Springer
15 years 10 months ago
Online Scheduling of Equal-Length Jobs: Randomization and Restarts Help
We consider the following scheduling problem. The input is a set of jobs with equal processing times, where each job is specified by its release time and deadline. The goal is to ...
Marek Chrobak, Wojciech Jawor, Jiri Sgall, Tom&aac...
ICALP
2003
Springer
15 years 10 months ago
A Direct Sum Theorem in Communication Complexity via Message Compression
We prove lower bounds for the direct sum problem for two-party bounded error randomised multipleround communication protocols. Our proofs use the notion of information cost of a p...
Rahul Jain, Jaikumar Radhakrishnan, Pranab Sen
COCO
1995
Springer
83views Algorithms» more  COCO 1995»
15 years 8 months ago
The Instance Complexity Conjecture
The instance complexity of a string x with respect to a set A and time bound t, ict (x : A), is the length of the shortest program for A that runs in time t, decides x correctly, ...
Martin Kummer