Results 51 to 60 of about 91 (89)

Existence of multiple positive solutions for p-Laplacian multipoint boundary value problems on time scales

open access: yes, 2013
In this paper, we consider p-Laplacian multipoint boundary value problems on time scales. By using a generalization of the Leggett-Williams fixed point theorem due to Bai and Ge, we prove that a boundary value problem has at least three positive ...
Dogan, Abdulkadir, Abdulkadir Dogan
core   +1 more source

Existence and multiplicity of positive solutions for multiparameter periodic systems

open access: yesOpen Mathematics
We deal with the existence and multiplicity of positive solutions for differential systems depending on two parameters, λ1,λ2{\lambda }_{1},{\lambda }_{2}, subjected to periodic boundary conditions.
Wei Liping, Dai Yongqiang, Su Shunchang
doaj   +1 more source

One-dimensional singular problems involving the p-Laplacian and nonlinearities indefinite in sign

open access: yesAdvances in Nonlinear Analysis, 2016
Let Ω be a bounded open interval, let p>1${p>1}$ and γ>0${\gamma>0}$, and let m:Ω→ℝ${m:\Omega\rightarrow\mathbb{R}}$ be a function that may change sign in Ω.
Kaufmann Uriel, Medri Iván
doaj   +1 more source

Positive solutions for a second-order p-laplacian impulsive boundary value problem

open access: yes, 2018
In this work, we study the existence and multiplicity of positive solutions for a second-order p-Laplacian boundary value problem involving impulsive effects.
O’Regan, Donal, Ding, Youzheng
core  

Existence and global asymptotic behavior of positive solutions for combined second-order differential equations on the half-line

open access: yesAdvances in Nonlinear Analysis, 2016
We are concerned with the existence, uniqueness and global asymptotic behavior of positive continuous solutions to the second-order boundary value ...
Bachar Imed, Mâagli Habib
doaj   +1 more source

Positive solutions of nth-order impulsive differential equations with integral boundary conditions

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2016
This paper is concerned with the existence and nonexistence of positive solutions of nth-order impulsive boundary value problem with integral boundary conditions.
Tokmak Fen Fatma, Yaslan Karaca Ilkay
doaj   +1 more source

Positive solutions for the (n, p) boundary value problem

open access: yes, 2015
We consider the (n, p) boundary value problem in this paper. Some new upper estimates to positive solutions for the problem are obtained. Existence and nonexistence results for positive solutions of the problem are obtained by using the Krasnosel’skii ...
Bo Yang
core  

Cribriform-type adenocarcinoma of the colorectum: comprehensive molecular analyses of a distinctive histologic subtype of colorectal cancer. [PDF]

open access: yesCarcinogenesis, 2022
Yamada S   +9 more
europepmc   +1 more source

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