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dc.creatorPanigrahi, Saroj
dc.creatorRout, Sandip
dc.date2022-12-21
dc.identifierhttps://cubo.ufro.cl/ojs/index.php/cubo/article/view/3207
dc.identifier10.56754/0719-0646.2403.0413
dc.descriptionIn this paper, we are concerned with the existence of positive solution of the following semipositone boundary value problem on time scales: \begin{align*} (\psi(t)y^\Delta (t))^\nabla + \lambda_1 g(t, \,y(t)) + \lambda_2 h(t,\,y(t)) = 0, \,t \in [\rho(c), \,\sigma(d)]_\mathbb{T}, \end{align*} with mixed boundary conditions \begin{align*} \alpha y(\rho(c))-\beta \psi(\rho(c)) y^\Delta(\rho(c))=0,\\ \gamma y(\sigma(d))+\delta \psi(d) y^\Delta(d)=0, \end{align*} where \(\psi:C[\rho(c),\, \sigma(d)]_\mathbb{T}\), \(\psi(t)>0\) for all \(t \in [\rho(c),\,\sigma(d)]_\mathbb{T}\); both \(g\) and \(h : [\rho(c),\,\sigma(d)]_\mathbb{T} \times [0,\,\infty) \to \mathbb{R}\) are continuous and semipositone. We have established the existence of  at least one positive solution or multiple positive solutions of the above boundary value problem by using fixed point theorem on a cone in a Banach space, when \(g\) and \(h\) are both superlinear or sublinear or one is superlinear and the other is sublinear for \(\lambda_i>0;\,i=1,\,2\) are sufficiently small.en-US
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dc.languageeng
dc.publisherUniversidad de La Frontera. Temuco, Chile.en-US
dc.relationhttps://cubo.ufro.cl/ojs/index.php/cubo/article/view/3207/2258
dc.rightsCopyright (c) 2022 S. Panigrahi et al.en-US
dc.sourceCUBO, A Mathematical Journal; Vol. 24 No. 3 (2022); 413–437en-US
dc.sourceCUBO, A Mathematical Journal; Vol. 24 Núm. 3 (2022); 413–437es-ES
dc.source0719-0646
dc.source0716-7776
dc.subjectPositive solutionsen-US
dc.subjectboundary value problemsen-US
dc.subjectfixed point theoremen-US
dc.subjectconeen-US
dc.subjecttime scalesen-US
dc.titleExistence of positive solutions for a nonlinear semipositone boundary value problems on a time scaleen-US
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion


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