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JOURNALS // Matematicheskii Sbornik // Archive

Mat. Sb. (N.S.), 1978 Volume 107(149), Number 3(11), Pages 416–434 (Mi sm2688)

This article is cited in 2 papers

On some algebraic characteristics of the algebra of all continuous functions on a locally connected compactum

M. I. Karahanyan


Abstract: In the first part of this paper the algebra $C(X)$ is studied, and in the case of a locally connected compactum $X$ a characteristic of the algebra $C(X)$ is given from the point of view of the plentitude of roots of certain algebraic equations that it contains. In the second part a general method is given for constructing uniform algebras $A$ on suitable compacta $X$ which are different from $C(X)$ but have a number of properties in common with $C(X)$ (normality, algebraic closure, complete closure, etc.). In particular, these methods allow us to give, as a general concept, a new solution to a problem of Gleason concerning peak points.
Bibliography: 19 titles.

UDC: 517.53

MSC: Primary 46J10, 46J20, 46J30, 54C40; Secondary 54C25, 54F45

Received: 01.11.1977


 English version:
Mathematics of the USSR-Sbornik, 1979, 35:5, 681–696

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