Alonso Morón, Manuel2023-06-212023-06-211986-09Alonso Morón, M. «Shorter Notes: Prabir Roy’s Space Δ as a Counterexample in Shape Theory». Proceedings of the American Mathematical Society, vol. 98, n.o 1, septiembre de 1986, p. 187. DOI.org (Crossref), https://doi.org/10.2307/2045794.0002-993910.2307/2045794https://hdl.handle.net/20.500.14352/64642In this note we use the space Δ in order to prove that a result concerning movability and mutational retractions cannot be transferred from the compact to the arbitrary metrizable caseengjournal articlehttps//doi.org/10.2307/2045794http://www.jstor.org/stable/2045794restricted access515.143515.127MovableMutational retractPrabir Roy's space Δ.Topología1210 Topología