TY - JOUR AU - Alonso Morón, Manuel PY - 1986 DO - 10.2307/2045794 SN - 0002-9939 UR - https://hdl.handle.net/20.500.14352/64642 T2 - Proceedings of the American Mathematical Society 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 LA - eng M2 - 187 PB - American Mathematical Society KW - Movable KW - Mutational retract KW - Prabir Roy's space Δ. TI - Prabir Roy's space Δ as a counterexample in shape theory TY - journal article VL - 98 ER -