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具有特征值的两点边值问题的正解 被引量:1

Positive solutions for eigenvalue of a two-point boundary value problem on measure chains
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摘要 研究测度链T上边值问题[q(t)xΔ(t)]Δ+λf(t,xσ(t))=0,t∈[a,σ(b)]∩T,αx(a)-βxΔ(a)=0,γx(σ(b))+δxΔ(σ(b))=0,其中f:[a,σ(b)]×[0,∞)→[0,∞)是连续的,对f赋予一定的条件,通过应用锥上的不动点定理,得到在λ某个区间上边值问题正解的存在性定理。文中把原有的方程二阶部分从xΔΔ(t)推广到[q(t)xΔ(t)]Δ,这里要求q(t)在[a,σ(b)]上有界,恒正。 The boundary value problem[q(t)x^Δ(t)]^Δ+λf(t,Xσ(£))=0,t∈[a,σ(6)]∩T,αx(a)-βx^Δ(a)=0,γx((6))+δx^Δ(σ(b))=0 on the measure chain T is studied, where f:[a,σ(b)]×[0,∞)→[0,∞) is continuous. By using krasnoselskii fixed point theorem on cone, some conditions are imposed on f which ensure the existence of positive solution of the boundary value problem at the interval of λ. The results are extended from x^ΔΔ(t)+λf(t ,x^σ ( t ) ) =0 to [ q( t ) xΔ ( t ) ]Δ + λ f ( t , x^σ( t ) ) =0, where q(t) is bounded and positive for t∈ [a,σ(b)].
出处 《河北科技大学学报》 CAS 2007年第2期97-99,102,共4页 Journal of Hebei University of Science and Technology
基金 国家自然科学基金资助项目(10371030) 河北省自然科学基金资助项目(A2006000298) 河北省博士基金资助项目(B2004204)
关键词 测度链 GREEN函数 不动点定理 measure chain Green's function cone fixed point theorem.
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  • 1HONG Chen-huang,YEH Cheh-chih.Positive solutions for eigenvalue problems on a measure chain[J].Nonlinear Analysis,2002,51(3):499-507. 被引量:1
  • 2ANDERSON D R.Eigenvalue intervals for a two-point boundary value problem on a measure chain[J].Journal of Computational and Applied Mathematics,2002,141(1-2):57-64. 被引量:1
  • 3KRASNOSELSKII M A.Positive Solutions of Operator Equations[M].Noordhoff:Groningen,1964. 被引量:1
  • 4ERBE L,PETERSON A.Positive solutions for a nonlinear differential equation on a measure chain[J].Mathematical and Computer Mode-ling,2000,32(5-6):571-585. 被引量:1

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