Let be a real normed linear space. A subset is called a retract of if there exists a continuous mapping
, a retraction, satisfying . It is well known that every nonempty closed convex subset of is a retract of . Nonconvex retracts are studied in this paper.
On nonconvex retracts in normed linear spaces
Zhang, Guowei and Li, Pengcheng
Abstract
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carpathian_2016_32_2_259_264Additional Information
Author(s) | Li, Pengcheng, Zhang, Guowei |
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