On ultrametric-preserving functions
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DOI: 10.1515/ms-2017-0342
Abstract: Abstract Characterizations of pseudoultrametric-preserving functions and semimetric-preserving functions are found. The structural properties of pseudoultrametrics which can be represented as a composition of an ultrametric and ultrametric-pseudoultrametric-preserving function are obtained. A dual form of Pongsriiam-Termwuttipong… read more here.
Keywords: preserving functions; ultrametric preserving;