On a class of covariance operators.
Oscillation and nonoscillation criteria for a second-order linear equation.
On zeros of solutions to a second-order singular half-linear equation.
The -Laplacian and connected pairs of functions.
On a generalization of the Dirichlet integral.
Professor Iotam Kartsivadze (1918-1997).
Conjugacy and disconjugacy criteria for second order linear ordinary differential equations
Conjugacy and disconjugacy criteria are established for the equation where is a locally summable function.
On quadratically integrable solutions of the second order linear equation
Integral criteria are established for and , where is the space of solutions of the equation satisfying the condition
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