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» Turing computations on ordinals
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MFCS
1994
Springer
15 years 1 months ago
Empty Alternation
We introduce the notion of empty alternation by investigating alternating automata which are restricted to empty their storage except for a logarithmically space-bounded tape befor...
Klaus-Jörn Lange, Klaus Reinhardt
CSR
2007
Springer
15 years 1 months ago
A Padding Technique on Cellular Automata to Transfer Inclusions of Complexity Classes
Abstract. We will show how padding techniques can be applied on onedimensional cellular automata by proving a transfer theorem on complexity classes (how one inclusion of classes i...
Victor Poupet
TCS
2011
14 years 4 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
NDJFL
2010
14 years 4 months ago
Subclasses of the Weakly Random Reals
The weakly random reals contain not only the Schnorr random reals as a subclass but also the weakly 1-generic reals and therefore the n-generic reals for every n. While the class o...
Johanna N. Y. Franklin
CONCUR
2012
Springer
13 years 3 days ago
Decidability Problems for Actor Systems
We introduce a nominal actor-based language and study its expressive power. We have identified the presence/absence of fields as a relevant feature: the dynamic creation of names...
Frank S. de Boer, Mahdi Mahdi Jaghoori, Cosimo Lan...