• Title/Summary/Keyword: U.J.S.

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On the Mechanical Structure of the FIMS

  • Yuk, I.S.;Ryu, K.S.;Park, J.H.;Seon, K.I.;Nam, U.W.;Han, W.;Seon, J.;Min, K.W.;Korpela, E.J.;Edelstein, J.
    • Bulletin of the Korean Space Science Society
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    • 2000.10a
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    • pp.76-76
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    • 2000
  • No Abstract, See Full Text

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FIMS Observation of Cygnus Loop

  • Seon Kwang-Il;Lee D.-H.;Park J.-H.;Kim I.-J.;Shinn J.-H.;Ryu K.-S.;Jin H.;Yuk I.-S.;Han W.;Nam U.-W.;Min K.-W;Edelstein J.;Korpela E.
    • The Bulletin of The Korean Astronomical Society
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    • v.29 no.2
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    • pp.38.1-38.1
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    • 2004
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FIMS Observations of Hot Interstellar Medium

  • Seon Kwang-Il;Kim I. J.;Park J. H.;Shinn J. H.;Lee D. H.;Ryu K. S.;Han W.;Min K. W.;Jin H.;Yuk I. S.;Nam U. W.;Edelstein J.;Nishikida K.
    • Bulletin of the Korean Space Science Society
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    • 2004.10b
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    • pp.49-49
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    • 2004
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EXISTENCE AND MULTIPLICITY OF SOLUTIONS FOR KIRCHHOFF-SCHRÖDINGER-POISSON SYSTEM WITH CONCAVE AND CONVEX NONLINEARITIES

  • Che, Guofeng;Chen, Haibo
    • Journal of the Korean Mathematical Society
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    • v.57 no.6
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    • pp.1551-1571
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    • 2020
  • This paper is concerned with the following Kirchhoff-Schrödinger-Poisson system $$\begin{cases} -(a+b{\displaystyle\smashmargin{2}\int\nolimits_{\mathbb{R}^3}}{\mid}{\nabla}u{\mid}^2dx){\Delta}u+V(x)u+{\mu}{\phi}u={\lambda}f(x){\mid}u{\mid}^{p-2}u+g(x){\mid}u{\mid}^{p-2}u,&{\text{ in }}{\mathbb{R}}^3,\\-{\Delta}{\phi}={\mu}{\mid}u{\mid}^2,&{\text{ in }}{\mathbb{R}}^3, \end{cases}$$ where a > 0, b, µ ≥ 0, p ∈ (1, 2), q ∈ [4, 6) and λ > 0 is a parameter. Under some suitable assumptions on V (x), f(x) and g(x), we prove that the above system has at least two different nontrivial solutions via the Ekeland's variational principle and the Mountain Pass Theorem in critical point theory. Some recent results from the literature are improved and extended.