Results 41 to 50 of about 457,753 (313)
上海师范大学学报. 自然科学版, 2014 In this paper,we concern ourselves with the existence of positive solutions for a type of integral boundary value problem of fractional differential equations with the fractional order linear derivative operator.By using the fixed point theorem in cone ...
Xiping Liu, Guiyun Wu
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Positive Solutions for BVP of Fractional Differential Equation with Integral Boundary Conditions [PDF]
Discrete Dynamics in Nature and Society, 2020 In this paper, we consider a class of boundary value problems of nonlinear fractional differential equation with integral boundary conditions. By applying the monotone iterative method and some inequalities associated with Green’s function, we obtain the existence of minimal and maximal positive solutions and establish two iterative sequences for ...
Min Li, Jian-Ping Sun, Ya-Hong Zhao
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Does backreaction enforce the averaged null energy condition in semiclassical gravity? [PDF]
, 1996 The expected stress-energy tensor of quantum fields generically violates the local positive energy conditions of general relativity. However, may satisfy some nonlocal conditions such as the averaged null energy condition (ANEC), which would rule out ...
A. Campos +71 more
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Positive Solutions to Schrödinger’s Equation and the Exponential Integrability of the Balayage [PDF]
Annales de l'Institut Fourier, 2017 Let Ω⊂ℝ n , for n≥2, be a bounded C 2 domain. Let q∈L loc 1 (Ω) with q≥0. We give necessary conditions and matching sufficient conditions, which differ only in the constants involved, for the existence of very weak solutions to the boundary value problem (-▵-q)u=0, u≥0 on Ω, u=1 on ∂Ω, and the related nonlinear problem with quadratic growth in the ...
Frazier, Michael W., Verbitsky, Igor E.
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A note on the uniqueness and attractive behavior of solutions for nonlinear Volterra equations [PDF]
, 2001 In this paper we prove that positive solutions of some nonlinear Volterra integral equations must be locally bounded and global attractors of positive functions.
Arias, M. R., Benítez Suárez, Rafael
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Journal of Inequalities and Applications, 2020 We consider a class of Caputo fractional p-Laplacian differential equations with integral boundary conditions which involve two parameters. By using the Avery–Peterson fixed point theorem, we obtain the existence of positive solutions for the boundary ...
Luchao Zhang +3 more
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Advances in Difference Equations, 2018 In this article, the following boundary value problem of fractional differential equation with Riemann–Stieltjes integral boundary condition {D0+αu(t)+λf(t,u(t),u(t))=0 ...
Qilin Song, Zhanbing Bai
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Nontrivial solutions of systems of Hammerstein integral equations with first derivative dependence
, 2017 By means of classical fixed point index, we prove new results on the existence, non-existence, localization and multiplicity of nontrivial solutions for systems of Hammerstein integral equations where the nonlinearities are allowed to depend on the first
Infante, Gennaro, Minhós, Feliz
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Mapping the evolution of mitochondrial complex I through structural variation
FEBS Letters, EarlyView.Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin +2 more
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Exact solutions to the modified Korteweg-de Vries equation
, 2010 A formula for certain exact solutions to the modified Korteweg-de Vries (mKdV) equation is obtained via the inverse scattering transform method. The kernel of the relevant Marchenko integral equation is written with the help of matrix exponentials as ...
Demontis, Francesco
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