RP
2010
Springer
14 years 2 months ago
2010
Springer
Chrobak (1986) proved that a language accepted by a given nondeterministic finite automaton with one-letter alphabet, i.e., a unary NFA, with n states can be represented as the uni...
CONCUR
2000
Springer
14 years 7 months ago
2000
Springer
We introduce some new models of infinite-state transition systems. The basic model, called a (reversal-bounded) counter machine (CM), is a nondeterministic finite automaton augment...