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Browsing Department of Mathematics by Issue Date

Browsing Department of Mathematics by Issue Date

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  • An examle of the Normality 
    د.عبدالله, خليفة سعيد علي البركي (جامعة بنغازي, 1999-08-18)
    Throughout this paper, all algebras are considered over the complex field C. We discuss the normality of a normed space D(K,M), where K is a perfect, compact subset of C and M (MA)nzo is a sequence of positive numbers. It ...
  • PROBLEMS CONCERNING THIN SYSTEMS 
    د.عبدالله, خليفة سعيد علي البركي (2001-05-22)
    In this paper, we introduce and discuss the concept of thin system in the area of uniform albegras. Let X bea compact subset of C and let C(X) be the set of all continuous functions from X into C. Then Ro(X) is the set of ...
  • THE BEURLING AND CAUCHY TRANSFORM WITH NEW SPACES 
    د.عبدالله, خليفة سعيد علي البركي (جامعة بنغازي, 2005-01-03)
    Let X be a compact plane set. Then R(X) is the uniform algebra of all continuous functions on X which may be uniformly approximated on X by rational functions with poles off X. Some results which contain the Beuring and ...
  • فضاءات للدوال التفاضلية الغير محدوده 
    دعبدالله, خليفة سعيد علي البركي (جامعة بنغازي, 2006-01-01)
    In this paper, we give two sequences of positive numbers (M)=0 which are algebra sequences and logarithmically convex sequences. Also, we give two spaces of infinitely differentiable functions C(M) and E (2,M) which are ...
  • RESULT ON THE SPACE 
    د.عبدالله, خليفة سعيد علي البركي (جامعة بنغازي, 2007-03-11)
    In this paper, we introduce a special space D(K,r,M,) of infinitely differentiable functions on K. We have proved Ro(K) CD(K,r,M,) if and only if (M) is a non-analytic sequence. We start with some standard definitions. ...
  • ROOT EXTENSIONS OF DITKIN ALGEBRA 
    د.عبدالله, خليفة سعيد علي البركي (جامعة بنغازي, 2007-03-21)
    Let us start with some standard definitions. Definition 1.1. Let S be a non-empty set, and let ƒ be a bounded, complex-valued function on S. For each non-empty set E contained in S, the uniform norm off on E, denoted by ...
  • Some Results in Bounded Relative Units Uniform 
    د.عبدالله, خليفة سعيد علي البركي (جامعة بنغازي, 2008-03-01)
    In this paper, we shall study bounded relative unit uniform algebras on compact spaces. We look at certain types of extensions of uniform algebras. We prove that under certain conditions some extensions of some uniform ...
  • A Result on Fixed Points 
    دعبدالله, خليفة سعيد علي البركي (جامعة بنغازي, 2009-04-01)
    Let T be a function from a non-empty set X into itself such that Tx=x. Then x in X is a fixed point of T. In this paper, we give the generalized of Sehgal Theorem in the area of uniqueness of fixed points in the case of ...
  • The General Theory of Banach Algebras 
    Elsallabi, Wagdi Saad; Alburki, Abdullah . K . (University of Benghazi, 2010)
  • Asymptotically Regular Mappings And The Fixed Point Theorems 
    Alhamaly, Eman Ibrahim; Din Khan, Mohammad (University of Benghazi, 2011)
  • The General Theory of Banach Algebras 
    Elsallabi, Wagdi Saad; Alburki, Abdullah . K . (University of Benghazi, 2011)
  • Asymptotically Regular Mappings And The Fixed Point Theorems 
    Alhamaly, Eman Ibrahim; Din Khan, Mohammad (University of Benghazi, 2011)
  • The Number of Subgroups of a Finite Abelian Group 
    Ali, Wafa Omar; Al-Awami, Mohamed (University of Benghazi, 2012)
  • The Number of Subgroups of a Finite Abelian Group 
    Ali, Wafa Omar; Al-Awami, Mohamed (University of Benghazi, 2012)
  • Fixed points on 2-metric spaces 
    د.عبدالله, خليفة سعيد علي البركي (جامعة بنغازي, 2012-12-11)
    The concept of a 2-metric space was introduced by S. Gabler [3], Recently the 2-metric spaces has been developed extensively in different subjects by others, for example [5], [6] and [7]. Definition 1.1. Let F be a function ...
  • Finite Topological Spaces with Maple 
    El turki, Taha Guma; Alzubaidy, Kahtan H. (University of Benghazi, 2013)
  • Finite Topological Spaces with Maple 
    El turki, Taha Guma; Alzubaidy, Kahtan H. (University of Benghazi, 2013)
  • Operations on Ideals with Maple 
    Almogawab, Sumaia Mohammed; Alzubaidy, Kahtan H. (University of Benghazi, 2015)
  • Operations on Ideals with Maple 
    Almogawab, Sumaia Mohammed; Alzubaidy, Kahtan H. (University of Benghazi, 2015)
  • Inconsistent treatment estimates from mis-specified logistic regression analyses of randomized trials 
    Badi, N. H.; Matthewsa, J. N. S. (2015-04-15)

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