Periodic Function as Mapping from Unit Circle/Motivation

Motivation for Periodic Function as Mapping from Unit Circle

By this technique, the study of continuous periodic real functions on $\R$ can be reduced to the study of continuous real functions on the unit circle $\SS$.


Sources

  • 1975: W.A. Sutherland: Introduction to Metric and Topological Spaces ... (previous) ... (next): $3$: Continuity generalized: topological spaces: $3.8$: Quotient spaces
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