extension map
extension map
[ik′sten·chən ‚map] (mathematics)
An extension map of a map ƒ from a set A to a set L is a map g from a set B to L such that A is a subset of B and the restriction of g to A equals ƒ.
References in periodicals archive
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that is, the extension map f is an order homomorphism.
In exploring the working of the MapArt system, I discovered that the maps were in files with the extension MAP. HiJaak Pro (ACCN, February 1999, pp.
Navicore said the new shop will enable consumers to obtain map updates, which provide new versions of the same geographical area, and extension maps, which cover new regions, quickly, affordably and conveniently.
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