Some properties of relative principal cofibrations

DOI10.1216/RMJ-1981-11-4-561zbMath0504.55008MaRDI QIDQ1836187

D. E. Kruse

Publication date: 1981

Published in: Rocky Mountain Journal of Mathematics (Search for Journal in Brave)

zbMATH Keywords

long exact sequenceshomotopy properties of relative cofibrationsshort exact sequences for relative mapping cones

Mathematics Subject Classification ID

Homotopy extension properties, cofibrations in algebraic topology (55P05) Homotopy groups, general; sets of homotopy classes (55Q05)

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Homotopy Operations under a Fixed Space ⋮ Homotopy epimorphisms and relative princial fibrations

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