• Title/Summary/Keyword: convergence theorem

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A NOTE ON A THEOREM OF GROTHENDIECK IN $C_p$-THEORY

  • Hong, Woo-Chorl;Kweon, Seon-Hee
    • East Asian mathematical journal
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    • v.16 no.1
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    • pp.57-60
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    • 2000
  • We study some properties of og-spaces and show some sufficient conditions that a space X satisfy the conclusion of the Grothendieck theorem.

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A FIXED POINT THEOREM FOR ASYMPTOTICALLY C-CONTRACTIVE MAPPINGS

  • Park, Jong An
    • Korean Journal of Mathematics
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    • v.11 no.2
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    • pp.111-115
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    • 2003
  • Under some asymptotical conditions we obtain a fixed point theorem for a mapping(not necessarily nonexpansive) from an unbounded closed convex subset of a reflexive Banach space into itself. Also we give an example for applying it.

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TWO THEOREMS FOR POISSON MEASURES ON HYPERGROUPS

  • Lee, Jae-Won
    • The Pure and Applied Mathematics
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    • v.4 no.2
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    • pp.121-130
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    • 1997
  • Our first theorem is concerned with the convergence of nets of Poisson measures on a hypergroup. As a corollary we obtain a characterization of Poisson measures. The second theorem gives a characterization of elementary Poisson measures.

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EQUIVALENT CONDITIONS OF COMPLETE MOMENT CONVERGENCE AND COMPLETE INTEGRAL CONVERGENCE FOR NOD SEQUENCES

  • Deng, Xin;Wang, Xuejun
    • Bulletin of the Korean Mathematical Society
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    • v.54 no.3
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    • pp.917-933
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    • 2017
  • In this paper, seven equivalent conditions of complete moment convergence and complete integral convergence for negatively orthant dependent (NOD, in short) sequences are shown under two cases: identical distribution and stochastic domination. The results obtained in the paper improve and generalize the corresponding ones of Liang et al. [10]). In addition, an extension of the Baum-Katz complete convergence theorem: six equivalent conditions of complete convergence is established.

CONVERGENCE OF C-SEMIGROUPS

  • Lee, Young S.
    • Korean Journal of Mathematics
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    • v.6 no.1
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    • pp.9-15
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    • 1998
  • In this paper, we show convergence and approximation theorem for C-semigroups. And we study the problem of approximation of an exponentially bounded C-semigroup on a Banach space X by a sequence of exponentially bounded C-semigroup on $X_n$.

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The Origin of Newton's Generalized Binomial Theorem (뉴턴의 일반화된 이항정리의 기원)

  • Koh, Youngmee;Ree, Sangwook
    • Journal for History of Mathematics
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    • v.27 no.2
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    • pp.127-138
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    • 2014
  • In this paper we investigate how Newton discovered the generalized binomial theorem. Newton's binomial theorem, or binomial series can be found in Calculus text books as a special case of Taylor series. It can also be understood as a formal power series which was first conceived by Euler if convergence does not matter much. Discovered before Taylor or Euler, Newton's binomial theorem must have a good explanation of its birth and validity. Newton learned the interpolation method from Wallis' famous book ${\ll}$Arithmetica Infinitorum${\gg}$ and employed it to get the theorem. The interpolation method, which Wallis devised to find the areas under a family of curves, was by nature arithmetrical but not geometrical. Newton himself used the method as a way of finding areas under curves. He noticed certain patterns hidden in the integer binomial sequence appeared in relation with curves and then applied them to rationals, finally obtained the generalized binomial sequence and the generalized binomial theorem.

On set-valued Choquet integrals and convergence theorems(II) (집합치 쇼케이적분과 수렴정리에 관한 연구(II))

  • Jang, Lee-Chae;Kim, Tae-Kyun;Jeon, Jong-Duek
    • Journal of the Korean Institute of Intelligent Systems
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    • v.12 no.4
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    • pp.323-326
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    • 2002
  • In this paper, we consider Choquet integrals of interval number-valued functions(simply, interval number-valued Choquet integrals). Then, we prove convergence theorem for interval number-valued Choquet integrals with respect to an autocontinuous fuzzy measure.

On a New Theorem Involving the $\bar{H}$-function and a General Class of Polynomials

  • SHARMA, R.P.
    • Kyungpook Mathematical Journal
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    • v.43 no.4
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    • pp.489-494
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    • 2003
  • In this paper, we first establish an interesting theorem involving the $\bar{H}$-function introduced by Inayat-Hussain ([7], [8]). The convergence and existence condition, basic properties of this function were given by Buschman and Srivastava ([2]). Next, we obtain certain new integrals and an expansion formula by the application of our theorem. On account of the most general nature of the functions involved herein, our main findings are capable of yielding a large number of new, interesting and useful integrals, expansion formulae involving simple special functions and polynomials as their special cases. A known special case of our main theorem in also given ([11]).

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