Vol. 111, No. 1, 1984

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ISSN: 0030-8730
Bijectively related spaces. I. Manifolds

P. H. Doyle, III and John Gilbert Hocking

Vol. 111 (1984), No. 1, 23–33
Abstract

The following equivalence relation is introduced: Two (Hausdorff) spaces X and Y are bijectvely related if there exist continuous bijections f : X Y and g : X Y . This first paper considers the case in which X and Y are connected manifolds. If either f or g is not a homeomorphism, then each space is necessarily non-reversible and hence this study produces more knowledge of such spaces. The chief results here are the existence theorem (Theorem 2) and, perhaps, Corollary 12, which states that a simply-connected manifold having only compact boundary components is reversible.

Mathematical Subject Classification 2000
Primary: 57N99
Secondary: 54C99
Milestones
Received: 21 April 1981
Revised: 4 April 1983
Published: 1 March 1984
Authors
P. H. Doyle, III
John Gilbert Hocking