Search Results - "Rachůnková, I."

Lower and upper functions in a singular Dirichlet problem with ø-Laplacian by Rachůnková, I., Stryja, J.

“…The paper investigates the Dirichlet problem with ø-Laplacian of the form An existence principle which can be used for problems where f ( t, x, y ) may have…”
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Solvability of discrete Neumann boundary value problems by Anderson, D.R., Rachůnková, I., Tisdell, C.C.

“…In this article we gain solvability to a nonlinear, second-order difference equation with discrete Neumann boundary conditions. Our methods involve new…”
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On the Existence of Two Solutions of the Four-Point Problem by Rachunkova, I.

“…We have proved the existence of at least two different solutions to the equation u″ = ƒ( t, u, u′, s), where s ∈ R . The solutions fulfill four-point…”
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Two-point higher-order BVPs with singularities in phase variables by Agarwal, R.P., O'Regan, D., Rachůnková, I., Staněk, S.

“…The existence of solutions for singular higher-order differential equations with the Lidstone or the ( n,p) boundary conditions is proved. The right-hand sides…”
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Construction of lower and upper functions and their application to regular and singular periodic boundary value problems by Rachůnková, Irena, Tvrdý, Milan

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Upper and Lower Solutions and Topological Degree by RACHUNKOVA, I

“…This paper deals with second order nonlinear boundary value problems. We suppose the existence of upper and lower solutions of the problems which are well…”
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Existence of two positive solutions of a singular nonlinear periodic boundary value problem: Fixed Point Theory with Applications in Nonlinear Analysis by RACHUNKOVA, I

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Upper and Lower Solutions and Multiplicity Results by RACHUNKOVA, I

“…We consider the second-order nonlinear differential equation with an unbounded right-hand side and two-point or nonlinear boundary conditions on a compact…”
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Existence results for impulsive second-order periodic problems by RACHUNKOVA, Irena, TVRDY, Milan

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