Nielsen reduction in free groups with operators

DOI10.4064/FM-129-3-181-197zbMath0665.20013OpenAlexW944042157MaRDI QIDQ3816239

Gert Denk, Wolfgang Metzler

Publication date: 1988

Published in: Fundamenta Mathematicae (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/211657

zbMATH Keywords

free groupbasisinvariant subgroupnormal closuregenerating systemGrushko-Neumann Theoremlow-dimensional CW- complexesNielsen- Schreier subgroup TheoremRelative Nielsen TheoremRelative Nielsen Transformations

Mathematics Subject Classification ID

Subgroup theorems; subgroup growth (20E07) Generators, relations, and presentations of groups (20F05) Free nonabelian groups (20E05) Free products of groups, free products with amalgamation, Higman-Neumann-Neumann extensions, and generalizations (20E06) Simple homotopy type, Whitehead torsion, Reidemeister-Franz torsion, etc. (57Q10)

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