This site contains: mathematics courses and book; covers: image analysis, data analysis, and discrete modelling; provides: image analysis software. Created and run by Peter Saveliev.
Identity map
From Intelligent Perception
A map that is the identity functionis called the identity map.
Given a topological space $X$, the function $Id_X: X \rightarrow X$ given by $f(x) = x$ is the identity map.
It is always continuous.
A slightly less trivial map is the inclusion map.
