• 제목/요약/키워드: Hanseo

검색결과 2,269건 처리시간 0.029초

SOME BOUNDED OPERATORS IN SPACES OF TYPE $W^{\Phi}$

  • Park, Jae-Keun;Cho, Seong-Hoon
    • Journal of applied mathematics & informatics
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    • 제26권5_6호
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    • pp.901-910
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    • 2008
  • For some generalized N-function ${\Phi}$, some Holder type inequalities and bounded operators on spaces of type $W_M^{\Omega,\Phi}$ generalizing the $W^p$-spaces due to Pathak and Upadhyay are obtained.

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h-STABILITY IN CERTAIN INTEGRO-DIFFERENTIAL EQUATIONS

  • Goo, Yoon Hoe;Ji, Myeong Hee;Ry, Dae Hee
    • 충청수학회지
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    • 제22권1호
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    • pp.81-88
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    • 2009
  • In this paper, we investigate h-stability for the nonlinear Volterra integro-differential equations and the functional integro-differential equations.

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ON REGULAR PREOPEN SETS AND $p^{\ast}-CLOSED$ SPACES

  • CHO SEONG HOON;PARK JAE KEUN
    • Journal of applied mathematics & informatics
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    • 제18권1_2호
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    • pp.525-537
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    • 2005
  • We introduce the notions of regular preopen sets and $p^{\ast}-closed$ spaces and investigate some of these properties. Also we give a characterization of p-closed spaces.