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surjection

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sur·jec·tion  (sr-jkshn)
n. Mathematics
A function that is onto.
[sur- + (pro)jection.]
surjection [sɜːˈdʒɛkʃən]
n
(Mathematics) a mathematical function or mapping for which every element of the image space is a value for some members of the domain See also injection [5] bijection
[from sur-1 + -jection, on the model of projection]
surjective  adj
surjection  (sr-jkshn)
A function such that each member of its range is mapped onto by a member of the domain. Compare bijectioninjection
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The complex (or the triple) (B, [pi], X), where B and X are topological spaces and [pi] : B [right arrow] X is a continuous open surjection, is called a fibre bundle.
Galbed algebras and their sectional representation/Galbalgebrad ja ... by Abel, Mart; Lehto, Veiko / Proceedings of the Estonian Academy of Science Physics/Mathematics
 
 
 
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