A counterexample in ANR theory |
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Authors: | Jan van Mill |
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Affiliation: | Department of Mathematics, Loulsiana State University, Baton Rouge, LA 70803, U.S.A. |
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Abstract: | There is an AR X and a non-AR Y and a continuous surjection f:X→Y so that each point-inverse f-1(y) is an AR. This solves a problem of Borsuk. |
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Keywords: | 54C55 |
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