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JOURNALS // Sibirskie Èlektronnye Matematicheskie Izvestiya [Siberian Electronic Mathematical Reports] // Archive

Sib. Èlektron. Mat. Izv., 2005 Volume 2, Pages 102–140 (Mi semr21)

Research papers

Algebras of functions on mappings

V. M. Ulyanov

Novomoskovsk's Institute (subdivision) of the Mendeleyev Russian Chemical-Technological University

Abstract: Topological algebras of functions on mappings are defined and investigated. It is proved that each algebra satisfying certain conditions (which are necessary and sufficient) is topologically (and isometrically with respect to its semi-norms) isomorphic to a subalgebra of an algebra of functions on some mapping. It is interesting to note that a completely regular space does not define a topology of its algebra of continuous functions uniquely if this space contains an infinite compact subspace, while a mapping do this, of course, amongst topologies of the definite kind. It is possible to define a new conception (connected with mappings) of a completeness of algebras and to prove some usual properties of complete algebras.

UDC: 513.83, 519.56

MSC: 46H05, 54C10, 54C35

Received February 21, 2005, published August 17, 2005

Language: English



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