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