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Induced mappings on symmetric products, some answers

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Abstract Given a continuum X , let F n ( X ) denote the hyperspace of nonempty subsets of X with at most n points. For n ≥ 2 ,… Click to show full abstract

Abstract Given a continuum X , let F n ( X ) denote the hyperspace of nonempty subsets of X with at most n points. For n ≥ 2 , let S F n ( X ) = F n ( X ) / F 1 ( X ) be the quotient space. Given a mapping between continua f : X → Y , we consider the induced mappings f n : F n ( X ) → F n ( Y ) and S f n : S F n ( X ) → S F n ( Y ) . Given a class of mappings M , in this paper we consider relations between the statements f ∈ M , f n ∈ M and S f n ∈ M , and we answer some questions about these relations considering the following classes of mappings: almost monotone, atriodic, freely decomposable and joining.

Keywords: symmetric products; topology; products answers; mappings symmetric; induced mappings

Journal Title: Topology and its Applications
Year Published: 2018

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