As A Subset of The Square
Like any binary relation, the kernel of a function may be thought of as a subset of the Cartesian product X × X. In this guise, the kernel may be denoted "ker f" (or a variation) and may be defined symbolically as
- .
The study of the properties of this subset can shed light on .
Read more about this topic: Kernel (set Theory)
Famous quotes containing the word square:
“In old times people used to try and square the circle; now they try and devise schemes for satisfying the Irish nation.”
—Samuel Butler (1835–1902)