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MSCS
2010
104views more  MSCS 2010»
15 years 4 months ago
A note on accelerated Turing machines
ABSTRACT. In this note we prove that any Turing machine which uses only a finite computational space for every input cannot solve an uncomputable problem even in case it runs in a...
Cristian S. Calude, Ludwig Staiger
NA
2010
87views more  NA 2010»
15 years 4 months ago
A note on the O(n)-storage implementation of the GKO algorithm and its adaptation to Trummer-like matrices
We propose a new O(n)-space implementation of the GKO-Cauchy algorithm for the solution of linear systems where the coefficient matrix is Cauchy-like. Moreover, this new algorithm...
Federico Poloni
CNIS
2006
15 years 7 months ago
An efficient hybrid algorithm for multidimensional packet classification
Multidimensional Packet Classification is one of the most critical functions for network security devices such as firewalls and intrusion detection systems. Due to the worst case ...
Yaxuan Qi, Jun Li
COCO
2006
Springer
97views Algorithms» more  COCO 2006»
15 years 10 months ago
Grid Graph Reachability Problems
We study the complexity of restricted versions of s-t-connectivity, which is the standard complete problem for NL. In particular, we focus on different classes of planar graphs, o...
Eric Allender, David A. Mix Barrington, Tanmoy Cha...
ENTCS
2006
119views more  ENTCS 2006»
15 years 6 months ago
Syntax-driven Behavior Partitioning for Model-checking of Esterel Programs
We consider the issue of exploiting the structural form of ESTEREL programs to partition the algorithmic RSS (reachable state space) fix-point construction used in model-checking t...
Eric Vecchié, Robert de Simone