On the Kurosh theorem and separability properties

DOI10.1016/S0022-4049(02)00210-4zbMath1016.20017OpenAlexW2114003652MaRDI QIDQ1869187

Stuart W. Margolis, Benjamin Steinberg, Rita Gitik

Publication date: 9 April 2003

Published in: Journal of Pure and Applied Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0022-4049(02)00210-4

zbMATH Keywords

subgroups of finite indexfinitely generated subgroupsfree productssubgroup separable groupsKurosh subgroup theoremLERF-groupsnegatively curved surface groups

Mathematics Subject Classification ID

Subgroup theorems; subgroup growth (20E07) Free products of groups, free products with amalgamation, Higman-Neumann-Neumann extensions, and generalizations (20E06) Hyperbolic groups and nonpositively curved groups (20F67) Residual properties and generalizations; residually finite groups (20E26)

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