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Coproducts and the additivity of the Szymczak index

Tom 85 / 2005

Kinga Stolot Annales Polonici Mathematici 85 (2005), 211-226 MSC: Primary 37B30. DOI: 10.4064/ap85-3-2

Streszczenie

We prove that the index defined by Szymczak in \cite{Sz} has an additivity property. Moreover we give an abstract theorem for extending coproducts from an initial category to the Szymczak category, which provides a setting for the proof of additivity.

Autorzy

  • Kinga StolotFaculty of Applied Mathematics
    AGH University of Science and Technology
    Al. Mickiewicza 30
    30-059 Kraków, Poland

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