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» On Stateless Multihead Finite Automata and Multihead Pushdow...
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DLT
2009
13 years 2 months ago
On Stateless Multihead Finite Automata and Multihead Pushdown Automata
A stateless k-head two-way deterministic finite automaton (k-head 2DFA), has only one state, hence the designation stateless. Its transitions depends solely on the symbols currentl...
Pierluigi Frisco, Oscar H. Ibarra
ICALP
1998
Springer
13 years 9 months ago
Power of Cooperation and Multihead Finite Systems
Abstract. We consider systems of finite automata performing together computation on an input string. Each automaton has its own read head that moves independently of the other head...
Pavol Duris, Tomasz Jurdzinski, Miroslaw Kutylowsk...
COCOON
2009
Springer
13 years 11 months ago
Hierarchies and Characterizations of Stateless Multicounter Machines
Abstract. We investigate the computing power of stateless multicounter machines with reversal-bounded counters. Such a machine can be deterministic, nondeterministic, realtime (the...
Oscar H. Ibarra, Ömer Egecioglu
IJFCS
2008
102views more  IJFCS 2008»
13 years 4 months ago
On Stateless Automata and P Systems
We introduce the notion of stateless multihead two-way (respectively, oneway) NFAs and stateless multicounter systems and relate them to P systems and vector addition systems. In ...
Linmin Yang, Zhe Dang, Oscar H. Ibarra