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On left-definite sturm-liouville equations

open access: yes, 2020
Sturm-Liouville equations are very important to understand the nature of the real-world problems and have been investigated by many authors. To investigate the spectral properties of these problems it is convenient to construct the Hilbert space. Such a construction is done with the help of the weight function. In 1992, A.M. Krall studied on the second
openaire   +1 more source

Local-Density Correlation Functional from the Force-Balance Equation. [PDF]

open access: yesJ Phys Chem A
Tancogne-Dejean N   +3 more
europepmc   +1 more source

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