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Factorwise rigidity of embeddings of products of pseudo-arcs

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Chacón-Tirado M., Illanes A., Leonel R.

Colloquium Mathematicum

2012

tom 128

nr 1

7-14

An embedding from a Cartesian product of two spaces into the Cartesian product of two spaces is said to be factorwise rigid provided that it is the product of embeddings on the individual factors composed with a permutation of the coordinates. We prove that each embedding of a product of two pseudo-arcs into itself is factorwise rigid. As a consequence, if X and Y are metric continua with the property that each of their nondegenerate proper subcontinua is homeomorphic to the pseudo-arc, then X × Y is factorwise rigid. This extends results of D. P. Bellamy and J. M. Lysko (for the case that X and Y are pseudo-arcs) and of K. B. Gammon (for the case that X is a pseudo-arc and Y is either a pseudo-circle or a pseudo-solenoid).

Ograniczanie wyników

1 Colloquium Mathematicum

1 Chacón-Tirado M.

1 Illanes A.

1 Leonel R.

1 2012

Wyniki wyszukiwania

Factorwise rigidity of embeddings of products of pseudo-arcs