Results 121 to 130 of about 5,326 (220)

A three-dimensional fractional solution for air contaminants dispersal in the planetary boundary layer. [PDF]

open access: yesHeliyon, 2021
Tankou Tagne AS   +4 more
europepmc   +1 more source

Impulsive Fractal Sturm–Liouville Equations

open access: yes
In this study, impulsive fractal Sturm–Liouville problems are considered. Firstly, the symmetric operator corresponding to the problem is obtained. Later, an existence theorem is proved.
Allahverdiyev, Biləndər   +2 more
core   +1 more source

Optimal data acquisition in tomography. [PDF]

open access: yesJ Opt Soc Am A Opt Image Sci Vis, 2023
Javidan M   +3 more
europepmc   +1 more source

Continuations of Hermitian indefinite functions and corresponding canonical systems : an example

open access: yes, 2004
M. G. Krein established a close connection between the continuation problem of positive definite functions from a finite interval to the real axis and the inverse spectral problem for differential operators.
Langer, M.   +5 more
core  

Limit-point criteria for q-Sturm-Liouville equations

open access: yes, 2019
In this article, the deficiency index problem of a singular q-Sturm Liouville problem is studied. We establish some criteria under which the q-Sturm Liouville equation is of limit-point case at infinity.
Allahverdiev, Bilender P., Tuna, Huseyin
core  

The Liouville transformation in Sturm-Liouville theory [PDF]

open access: yes, 2012
This thesis deals with Sturm-Liouville theory, the vast area of mathematical research based on the examination of second-order linear ordinary differential equations of the kind $-(py')'+qy=\lambda r y$ on $(a,b) \subseteq \R$ (SL equation).
Kleindeßner, Matthäus
core  

A study on fractional tumor-immune interaction model related to lung cancer via generalized Laguerre polynomials. [PDF]

open access: yesBMC Med Res Methodol, 2023
Hassani H   +6 more
europepmc   +1 more source

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