Let R[G] be the group ringMathworldPlanetmath of a group G over a ring R.

Let x=gxgg be an element of R[G]. The supportPlanetmathPlanetmath of x, often written supp(x), is the set of elements of G which occur with non-zero coefficient in the expansion of x.


Title support
Canonical name Support12
Date of creation 2013-03-22 14:02:56
Last modified on 2013-03-22 14:02:56
Owner mclase (549)
Last modified by mclase (549)
Numerical id 5
Author mclase (549)
Entry type Definition
Classification msc 16S34