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1. 

   Global structure of positive solutions for semipositone nonlinear Euler-Bernoulli beam equation with Neumann boundary conditions

   Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jingjing Wang --- Northwest Normal University, People’s Republic of China Chenghua Gao --- Northwest Normal University, People’s Republic of China Yanqiong Lu --- Northwest Normal University, People’s Republic of China

   In this paper, we focus on the existence of positive solutions for nonlinear fourth-order Neumann boundary value problem

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2. 

   Global bifurcation from zero in nonlinear Sturm-Liouville equation with a spectral parameter in the boundary condition

   Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ziyatkhan S. Aliyev --- Baku State University, Azerbaijan Nurida A. Ismayilova --- , Azerbaijan

   In this paper, we consider the nonlinear Sturm-Liouville problem with a spectral parameter in the boundary condition. We show the existence of two families of unbounded continua of nontrivial solutions of this problem corresponding to the nodal properties that having...

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3. 

   Global bifurcation of positive solutions for a class of superlinear biharmonic equations

   Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mantang Ma --- Northwest Normal University, P.R. China Ruyun Ma --- Northwest Normal University, P.R. China Jiao Zhao --- Northwest Normal University, P.R. China

   We are concerned with semilinear biharmonic equations of the form

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4. 

   Global Bifurcation of Nodal Solutions of Elliptic Kirchhoff Equations

   Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Xuanrong Shi --- Northwest Normal University, P.R. China Ruyun Ma --- Northwest Normal University, P.R. China

   We prove the existence of nodal solutions to the Kirchhoff type problem

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