562 search results - page 4 / 113 » Concurrent Turing Machines |
AIML
2004
14 years 11 months ago
2004
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...
TCS
2008
14 years 9 months ago
2008
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...
EUROGP
1999
Springer
15 years 1 months ago
1999
Springer
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...
CONCURRENCY
2007
14 years 9 months ago
2007
CORR
1999
Springer
14 years 9 months ago
1999
Springer
: In the early 1980s, Selman's seminal work on positive Turing reductions showed that positive Turing reduction to NP yields no greater computational power than NP itself. Thu...