Retraction and extension of mappings of metric and nonmetric spaces

DOI10.1007/BF02591501zbMath0048.41002WikidataQ106546908 ScholiaQ106546908MaRDI QIDQ2650483

Olof Hanner

Publication date: 1952

Published in: Arkiv för Matematik (Search for Journal in Brave)

zbMATH Keywords

topology

Related Items (36)

Unnamed Item ⋮ On the dimension of non-separable spaces. II ⋮ Perfect normality, local neighborhood extension spaces, and contractibility of absolute retracts ⋮ Über die Homotopiegruppen gewisser Faserungen ⋮ Theory of retracts and infinite-dimensional manifolds ⋮ Unnamed Item ⋮ A Study of Metric-Dependent Dimension Functions ⋮ Continuous Extensions ⋮ Adjunction Spaces and the Hereditary Property ⋮ On some types of polyhedra ⋮ Adjunction Spaces of Monotonically Normal Spaces and Spaces Dominated by Monotonically Normal Subsets ⋮ Continuous selections and complete metrizability of the range ⋮ A resolution for the product of a compactum with a polyhedron. ⋮ A Fixed Point Theorem for Manifolds ⋮ Some Theorems on Equiconnected and Locally Equiconnected Spaces ⋮ Approachability and fixed points for non-convex set-valued maps ⋮ The Lefschetz Fixed Point Theorem for Noncompact Locally Connected Spaces ⋮ Orbit spaces and unions of equivariant absolute neighborhood extensors ⋮ Classifying overlay structures of topological spaces ⋮ Characterizability of best approximations by means of a Kolmogorov criterion ⋮ Äquivalenzen bezüglich allgemeiner Homotopiegruppen ⋮ Über die Fixpunkte kompakter Abbildungen ⋮ Neighborhood Extensions of Continuous Selections ⋮ A Generalization of Absolute Retracts ⋮ Une méthode de construction squelette par squelette dans les espaces paracompacts ⋮ On Hannerisation of two countably paracompact normal spaces ⋮ On a property of mappings of metric spaces ⋮ On Spaces without Isolated Noncut Points ⋮ Shrinkable neighborhoods in Hausdorff linear spaces ⋮ A theorem on uniform imbedding ⋮ The coincidence problem for compositions of set-valued maps ⋮ On Fiber Spaces ⋮ Extension of continuous maps and the factorization theorem ⋮ Test Spaces for Normal Spaces ⋮ Operations in \(A\)-theory ⋮ Unnamed Item

Cites Work

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• An imbedding theorem for paracompact metric spaces
• Solid spaces and absolute retracts
• Some theorems on absolute neighborhood retracts
• An extension of Tietze's theorem
• Extension of functions on fully normal spaces
• On a theorem of Hanner
• Une généralisation des espaces compacts
• Sur les espaces localement connexes et péaniens en dimensions n
• On the topological product of paracompact spaces
• Paracompactness and product spaces
• A note on 𝑆-spaces
• Homology Properties of Arbitrary Subsets of Euclidean Spaces
• Mapping Theorems for Non-Compact Spaces
• Retraction properties for normal Hausdorff spaces
• Combinatorial homotopy. I
• Metrization of Topological Spaces
• Topics in Topology. (AM-10)
• A characterization of absolute neighborhood retracts

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