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Abstrakty
Let (Cb (X) , ) be the algebra of all continuous bounded real or complex valued functions defined on a completely regular Hausdorff space X with the usual algebraic operations and with the strict topology . It is proved that (Cb (X) , β) has a spectral synthesis, i.e. every of its closed ideals is an intersection of closed maximal ideals of codimension 1. We give one necessary and two sufficient conditions over X in order that (Cb (X) , β) has no proper non-zero closed principal ideals. Moreover if X satisfy any of these two conditions and is also a k-space, then any non zero element of Cb (X) is invertible or a topological divisor of zero.
Wydawca
Czasopismo
Rocznik
Tom
Strony
121--127
Opis fizyczny
bibliogr. 6 poz.
Twórcy
autor
autor
autor
- Instituto de Matematicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, 04510, México, D.F., México, hugo@unam.mx
Bibliografia
- [1] H. Arizmendi-Peimbert and A. Carrillo-Hoyo, On the topologically invertible elements of a topological algebra, Math. Proc. R. Ir. Acad. 107A 1 (2007), 73-80.
- [2] H. Arizmendi, A. Carrillo, and L. Palacios, An example concerning the boundary of topologically invertible elements, Function spaces, Contemp. Math. 435 (2007), 43-46.
- [3] H. Arizmendi-Peimbert and R. Harte, Almost openness in topological vector spaces, Math. Proc. R. Ir. Acad., 99A (1) (1999) 57-65.
- [4] S. P. Franklin, Spaces in which sequences suffice, Fund. Math. 57 (1965), 107-115.
- [5] R. Giles, A generalization of the strict topology, Trans. Amer. Math Soc. 161 (1971), 467-474.
- [6] W. Żelazko, A non m-convex algebra on which operate all entire functions, Ann. Polon. Math. 46 (1985), 389-94.
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Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUS5-0019-0028