Mathematics – Algebraic Topology
Scientific paper
2011-11-29
Mathematics
Algebraic Topology
8 pages
Scientific paper
In this paper, we study necessary and sufficient conditions for existence of categorical universal coverings using open covers of a given space $X$. In fact, we define several homotopy theoretic conditions which we then prove are equivalent to the existence of a categorical universal covering space. As an application, we show that all universal coverings of a connected and locally path connected space are Spanier spaces.
Mashayekhy Behrooz
Pakdaman Ali
Torabi Hamid
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