1998 · 38 citations · 12 references
Natural SciencesMathematicsDifferential EquationsDynamical SystemsTheoretical PhysicsBoundary ConditionsBoundary-value ProblemsEigenvalue ProblemsExistence TheoryInitial Value ProblemsOperator TheoryBoundary Value Eigenvalue ProblemsEigenvalue Boundary-value ProblemsEigenvaluesMonotone Operator TheoryNonlinear Eigenvalue ProblemsOperator InequalitiesPositive Operators
The theory of u0 -positive operators with respect to a cone in a Banach space is applied to eigenvalue problems associated with the second order #-differential equation (often referred to as a differential equation on a measure chain) given by y ## (t)+#p(t)y(#(t)) = 0,t#[0, 1], satisfying the boundary conditions y(0) = 0 = y(# 2 (1)). The existence of a smallest positive eigenvalue is proven and then a theorem is established comparing the smallest positive eigenvalues for two problems of this type.
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Positive Solutions of Operator Equations.
A. R. Brodsky, M. A. Krasnosel’skii, Richard E. Flaherty et al. · American Mathematical Monthly · 1967 · 2.1K citations