A Van Kampen theorem for \(\pi_2\)

DOI10.1016/0022-4049(77)90006-8zbMath0383.55011OpenAlexW2156961198MaRDI QIDQ1248824

Steven C. Althoen

Publication date: 1978

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

Full work available at URL: https://doi.org/10.1016/0022-4049(77)90006-8

Mathematics Subject Classification ID

Fundamental group, presentations, free differential calculus (57M05) Homotopy groups of wedges, joins, and simple spaces (55Q20)

Cites Work

• A van Kampen theorem
• Some small aspherical spaces
• Unnamed Item

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