Characteristic classes and obstruction theory for infinite loop spaces |
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Authors: | Dominique Arlettaz |
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Institution: | (1) Institut de mathématiques, Université de Lausanne, CH-1015 Lausanne, Switzerland |
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Abstract: | The classical extension problem is to determine whether or not a given mapg:AY, defined on a given subspaceA of a spaceX, has an extensionXY. The present paper examines this question in the special case where thek-invariants ofY are cohomology classes of finite order (for instance ifY is an infinite loop space). |
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