Definition:Support

Definition
The support of a function whose codomain is the set of real numbers is generally defined to be the subset of its domain which maps to anywhere that is not $0$.

Continuous Function on Topological Space

 * In abstract algebra:
 * Definition:Support of Module
 * Definition:Support of Element of Direct Product
 * In functional analysis:
 * Definition:Support of Distribution
 * In mapping theory:
 * Definition:Support of Permutation
 * Definition:Support of Characteristic Function