منابع مشابه
On resolvable spaces and groups Luis
It is proved that every uncountable !-bounded group and every homogeneous space containing a convergent sequence are resolvable. We nd some conditions for a topological group topology to be irresolvable and maximal.
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In this paper we study the conditions under which a fuzzy topological space becomes a fuzzy almost resolvable space and the inter-relations between fuzzy almost resolvable, fuzzy almost irresolvable spaces, fuzzy submaximal spaces, fuzzy first category spaces, fuzzy Baire spaces, fuzzy weakly Volterra spaces are also investigated.
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chapter one is devoted to a moderate discussion on preliminaries, according to our requirements. chapter two which is based on our work in (24) is devoted introducting weighted semigroups (s, w), and studying some famous function spaces on them, especially the relations between go (s, w) and other function speces are invesigated. in fact this chapter is a complement to (32). one of the main fea...
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We introduce the spinor parallel propagator for maximally symmetric spaces in any dimension. Then, the Dirac spinor Green’s functions in the maximally symmetric spaces Rn, Sn and Hn are calculated in terms of intrinsic geometric objects. The results are covariant and coordinate-independent. ∗E-mail address: [email protected]
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Let G be a connected graph with maximum degree ∆(G). The irregularity index t(G) of G is defined as the number of distinct terms in the degree sequence of G. We say that G is maximally irregular if t(G) = ∆(G). The purpose of this note, apart from pointing out that every highly irregular graph is maximally irregular, is to establish upper bounds on the size of maximally irregular graphs and max...
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ژورنال
عنوان ژورنال: Fundamenta Mathematicae
سال: 1964
ISSN: 0016-2736,1730-6329
DOI: 10.4064/fm-55-1-87-93