Results 101 to 110 of about 2,149 (181)

Positive solutions for fractional differential equations with variable coefficients

open access: yesElectronic Journal of Differential Equations, 2012
In this article, we study the existence of the positive solutions for a class of differential equations of fractional order with variable coefficients.
Yi Chen, Zhanmei Lv
doaj  

Symmetric positive solutions for $\phi$-Laplacian boundary-value problems with integral boundary conditions

open access: yesElectronic Journal of Differential Equations, 2013
In this article, we study the existence, multiplicity, and nonexistence of symmetric positive solutions for a class of four-order integral boundary value problems with $\phi$-Laplacian operator.
Wengui Yang
doaj  

Positive Solutions for a nonlinear n-th order m-point boundary-value problem

open access: yesElectronic Journal of Differential Equations, 2011
Using the Leggett-Williams fixed point theorem in cones, we prove the existence of at least three positive solutions to the nonlinear $n$-th order $m$-point boundary-value problem $$displaylines{ Delta^{n}u(k)+a(k)f(k,u)=0, quad kin {0,N},cr u(0)=0,
Jiehua Zhang, Yanping Guo, Yude Ji
doaj  

Therapies for Long COVID in non-hospitalised individuals: from symptoms, patient-reported outcomes and immunology to targeted therapies (The TLC Study). [PDF]

open access: yesBMJ Open, 2022
Haroon S   +42 more
europepmc   +1 more source

Investigation of Influenza A(H5N1) Virus Neutralization by Quadrivalent Seasonal Vaccines, United Kingdom, 2021-2024. [PDF]

open access: yesEmerg Infect Dis
Stevenson-Leggett P   +16 more
europepmc   +1 more source

Third exposure to COVID-19 infection or vaccination differentially impacts T cell responses. [PDF]

open access: yesJ Infect
Ahimbisibwe G   +37 more
europepmc   +1 more source

The association between iron deficiency and outcomes: a secondary analysis of the intravenous iron therapy to treat iron deficiency anaemia in patients undergoing major abdominal surgery (PREVENTT) trial. [PDF]

open access: yesAnaesthesia, 2023
Richards T   +13 more
europepmc   +1 more source

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