Noun: surjection
- A mathematical function that is an onto mapping
"In fact, if we define a ρ-kernel as the kernel of any surjection of the two graphs of interest, then there are ρ-kernels whose maximum excess does not vanish";
- surjective function, onto function
Derived forms: surjections
Type of: function, map, mapping, mathematical function, single-valued function
Encyclopedia: Surjection