Prabir Roy’s space Δ as a counterexample in shape theory

Alonso Moron, M.

doi:10.1090/S0002-9939-1986-0848902-9

Prabir Roy’s space $\Delta$ as a counterexample in shape theory
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by M. Alonso Moron PDF

Proc. Amer. Math. Soc. 98 (1986), 187-188 Request permission

Abstract:

In this note we use the space $\Delta$ in order to prove that a result concerning movability and mutational retractions cannot be transferred from the compact to the arbitrary metrizable case.

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