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On Algorithmic Problems for Joins of Pseudovarieties

โœ Scribed by B. Steinberg


Book ID
120761040
Publisher
Springer
Year
2001
Tongue
English
Weight
326 KB
Volume
62
Category
Article
ISSN
0037-1912

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Algorithmic Problems for Amalgams of Fin
โœ Mark V. Sapir ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 118 KB

We prove that there exists an amalgam of two finite 4-nilpotent semigroups such that the corresponding amalgamated product has an undecidable word problem. We also show that the problem of embeddability of finite semigroup amalgams in any semigroups and the problem of embeddability of finite semigro