Title of article :
Uniform universal covers of uniform spaces
Author/Authors :
Valera Berestovskii، نويسنده , , Valera and Plaut، نويسنده , , Conrad، نويسنده ,
Issue Information :
دوماهنامه با شماره پیاپی سال 2007
Abstract :
We develop a generalized covering space theory for a class of uniform spaces called coverable spaces. Coverable spaces include all geodesic metric spaces, connected and locally pathwise connected compact topological spaces, in particular Peano continua, as well as more pathological spaces like the topologistʹs sine curve. The uniform universal cover of a coverable space is a kind of generalized cover with universal and lifting properties in the category of uniform spaces and uniformly continuous mappings. Associated with the uniform universal cover is a functorial uniform space invariant called the deck group, which is related to the classical fundamental group by a natural homomorphism. We obtain some specific results for one-dimensional spaces.
Keywords :
Universal cover , Uniform space , Geodesic space , fundamental group
Journal title :
Topology and its Applications
Journal title :
Topology and its Applications