Decompositions of fundamental groups of closed surfaces into free constructions

DOI10.1023/A:1020964811554zbMath1028.20019OpenAlexW143323588MaRDI QIDQ1855281

O. V. Bogopol'skij

Publication date: 4 February 2003

Published in: Geometriae Dedicata (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1023/a:1020964811554

zbMATH Keywords

subgroups of finite indexfundamental groupsgraphs of groupsHNN-extensionsamalgamated productsclosed surfacesgeometric decompositions

Mathematics Subject Classification ID

Fundamental group, presentations, free differential calculus (57M05) Free products of groups, free products with amalgamation, Higman-Neumann-Neumann extensions, and generalizations (20E06) Groups acting on trees (20E08)

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