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Undecidability, incompleteness and Arnol'd problems

✍ Scribed by Newton C. A. da Costa; Francisco A. Doria


Publisher
Springer Netherlands
Year
1995
Tongue
English
Weight
589 KB
Volume
55
Category
Article
ISSN
0039-3215

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πŸ“œ SIMILAR VOLUMES


The undecidability of some equivalence p
✍ P. Turakainen πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 437 KB

It is shown to be undecidable whether an c-free finite substitution and a two-state simple E-free ngsm are equivalent on {a, b}\*. Consequently, the state-minimization of such ngsm's and the nonterminal-minimization of linear grammars having two nonterminals are undecidable. Applications to some ot