Results 91 to 100 of about 825 (124)

The violation of a uniqueness theorem and an invariant in the application of Poincar\'{e}--Perron theorem to Heun's equation

open access: yes, 2019
The domain of convergence of a Heun function obtained through the Poincar\'{e}--Perron (P--P) theorem is not absolute convergence but conditional one [2].
Choun, Yoon-Seok
core  

Qualitative analysis of dynamic equations on time scales

open access: yes, 2018
In this article, we establish the Picard-Lindelof theorem and approximating results for dynamic equations on time scale. We present a simple proof for the existence and uniqueness of the solution.
Abbas, Syed
core   +1 more source

On singular nonlinear distributional and impulsive initial and boundary value problems

open access: yesBoundary Value Problems, 2011
Purpose To derive existence and comparison results for extremal solutions of nonlinear singular distributional initial value problems and boundary value problems.
Heikkilä Seppo
doaj  

Global stability and parameter analysis reinforce therapeutic targets of PD-L1-PD-1 and MDSCs for glioblastoma. [PDF]

open access: yesJ Math Biol, 2023
Anderson HG   +5 more
europepmc   +1 more source

Pseudo-fractional differential equations and generalized g-Laplace transform. [PDF]

open access: yesJ Pseudodiffer Oper Appl, 2021
Sousa JVDC   +3 more
europepmc   +1 more source

Analytical and qualitative investigation of COVID-19 mathematical model under fractional differential operator. [PDF]

open access: yesMath Methods Appl Sci, 2021
Shah K   +5 more
europepmc   +1 more source

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