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Decision Problems of Finite Automata Design and Related Arithmeticsby C. C. Elgot

✍ Scribed by Review by: Robert McNaughton


Book ID
124959282
Publisher
Association for Symbolic Logic
Year
1969
Tongue
English
Weight
359 KB
Volume
34
Category
Article
ISSN
0022-4812

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✍ J.-C. Birget; S. Margolis; J. Meakin; P. Weil 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 384 KB

We investigate the complexity of algorithmic problems on ÿnitely generated subgroups of free groups. Margolis and Meakin showed how a ÿnite monoid Synt(H ) can be canonically and e ectively associated with such a subgroup H . We show that H is pure (that is, closed under radical) if and only if Synt