Bulletin of the Korean Mathematical Society (대한수학회보)

Korean Mathematical Society (대한수학회)
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COCYCLIC MORPHISM SETS DEPENDING ON A MORPHISM IN THE CATEGORY OF PAIRS

  • Kim, Jiyean (Department of Mathematics Korea University) ;
  • Lee, Kee Young (Division of Applied Mathematical Sciences Korea University)
  • Received : 2019.01.05
  • Accepted : 2019.05.10
  • Published : 2019.11.30
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Abstract

In this paper, we apply the notion of cocyclic maps to the category of pairs proposed by Hilton and obtain more general concepts. We discuss the concept of cocyclic morphisms with respect to a morphism and find that it is a dual concept of cyclic morphisms with respect to a morphism and a generalization of the notion of cocyclic morphisms with respect to a map. Moreover, we investigate its basic properties including the preservation of cocyclic properties by morphisms and find conditions for which the set of all homotopy classes of cocyclic morphisms with respect to a morphism will have a group structure.

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Acknowledgement

Supported by : Korea University

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