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zbMath0577.20025MaRDI QIDQ3698999

Beno Eckmann

Publication date: 1984

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

surface groups Poincaré duality group fundamental groups of closed surfaces \(PD^ 2\)-group torsion free extension of a surface group

Mathematics Subject Classification ID

Geometric group theory (20F65) Homological methods in group theory (20J05) Fundamental groups and their automorphisms (group-theoretic aspects) (20F34) Eilenberg-Mac Lane spaces (55P20) Poincaré duality spaces (57P10) Homotopy groups of special spaces (55Q52)

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