RT Journal Article T1 Prabir Roy's space Δ as a counterexample in shape theory A1 Alonso Morón, Manuel AB In 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 case PB American Mathematical Society SN 0002-9939 YR 1986 FD 1986-09 LK https://hdl.handle.net/20.500.14352/64642 UL https://hdl.handle.net/20.500.14352/64642 LA eng NO Alonso 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. DS Docta Complutense RD 6 abr 2025