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ICALP
2005
Springer
13 years 11 months ago
Noisy Turing Machines
Abstract. Turing machines exposed to a small stochastic noise are considered. An exact characterisation of their (≈ Π0 2 ) computational power (as noise level tends to 0) is obt...
Eugene Asarin, Pieter Collins
FCT
2005
Springer
13 years 11 months ago
On the Power of Unambiguity in Alternating Machines
Unambiguity in alternating Turing machines has received considerable attention in the context of analyzing globally-unique games by Aida et al. [ACRW04] and in the design of effic...
Holger Spakowski, Rahul Tripathi
AIML
2004
13 years 7 months ago
A Lower Complexity Bound for Propositional Dynamic Logic with Intersection
This paper shows that satisfiability for Propositional Dynamic Logic with Intersection is EXPSPACE-hard. The proof uses a reduction from the word problem for alternating, exponent...
Martin Lange
TCS
2008
13 years 5 months ago
Turing machines and bimachines
We associate the iterated block product of a bimachine with a deterministic Turing machine. This allows us to introduce new algebraic notions to study the behavior of the Turing m...
John Rhodes, Pedro V. Silva
EUROGP
1999
Springer
141views Optimization» more  EUROGP 1999»
13 years 10 months ago
Busy Beaver - The Influence of Representation
The Busy Beaver is an interesting theoretical problem proposed by Rado in 1962. In this paper we propose an evolutionary approach to this problem. We will focus on the representati...
Penousal Machado, Francisco Baptista Pereira, Am&i...