bn:02147639n
Noun Concept
Categories: Mathematical relations, Functions and mappings, Types of functions, Basic concepts in set theory
EN
surjective function  onto function  surjection  onto  Induced function
EN
A mathematical function that is an onto mapping. Open English WordNet
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EN
A mathematical function that is an onto mapping. Open English WordNet
In mathematics, a surjective function is a function f such that, for every element y of the function's codomain, there exists at least one element x in the function's domain such that f = y. Wikipedia
Function such that every element has a preimage Wikidata
EN
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. Open English WordNet