Combinations related to classes of finite and countably categorical structures and their theories
Sibirskie èlektronnye matematičeskie izvestiâ, Tome 14 (2017), pp. 135-150

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We consider and characterize classes of finite and countably categorical structures and their theories preserved under $E$-operators and $P$-operators. We describe $e$-spectra and families of finite cardinalities for structures belonging to closures with respect to $E$-operators and $P$-operators.
Keywords: finite structure, countably categorical structure, elementary theory, $E$-operator, $P$-operator, $e$-spectrum.
@article{SEMR_2017_14_a4,
     author = {S. V. Sudoplatov},
     title = {Combinations related to classes of finite and countably categorical structures and their theories},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {135--150},
     publisher = {mathdoc},
     volume = {14},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2017_14_a4/}
}
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S. V. Sudoplatov. Combinations related to classes of finite and countably categorical structures and their theories. Sibirskie èlektronnye matematičeskie izvestiâ, Tome 14 (2017), pp. 135-150. http://geodesic.mathdoc.fr/item/SEMR_2017_14_a4/