Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Yaohong Li"'
Publikováno v:
AIMS Mathematics, Vol 8, Iss 4, Pp 9146-9165 (2023)
In this paper we study a fourth-order differential equation with Riemann-Stieltjes integral boundary conditions. We consider two cases, namely when the nonlinearity satisfies superlinear growth conditions (we use topological degree to obtain an exist
Externí odkaz:
https://doaj.org/article/696600edb2e34069aba1dfb0f44eba91
Autor:
Yaohong Li, Chunyan Qin
Publikováno v:
Mathematics, Vol 11, Iss 16, p 3529 (2023)
This paper focuses on a two-component interacting system introduced by Popowicz, which has the coupling form of the Camassa–Holm and Degasperis–Procesi equations. Using distribution theory, single peakon solutions and several double peakon soluti
Externí odkaz:
https://doaj.org/article/a9906c52aefd487185d6cac8a5fb82dd
Publikováno v:
Metals, Vol 13, Iss 7, p 1249 (2023)
The kinetics of leaching zinc from hemimorphite was investigated. The factors that influence hemimorphite leaching were also evaluated, and a kinetic model was built. In addition, scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS)
Externí odkaz:
https://doaj.org/article/b278a3fd15984c69a517c8e453284085
Publikováno v:
AIMS Mathematics, Vol 6, Iss 7, Pp 7229-7250 (2021)
In this paper, we focus on a class of Hadamard type fractional differential system involving Hadamard type fractional derivatives on an infinite interval. By utilizing the monotone iterative technique and Banach's contraction mapping principle, some
Externí odkaz:
https://doaj.org/article/76c18dcac92c411289793ea8a39c8879
Publikováno v:
Entropy, Vol 25, Iss 2, p 339 (2023)
Tangential leakage loss is the primary factor that significantly affects the output performance of oil-free scroll expanders. A scroll expander can function under different operating conditions, and the flow of tangential leakage and generation mecha
Externí odkaz:
https://doaj.org/article/8c1d99cef91b4e8083aff44255156e88
Publikováno v:
Journal of Function Spaces, Vol 2020 (2020)
In this paper, we introduce new sequential fractional differential equations with mixed-type boundary conditions CDq+kCDq−1ut=ft,ut,CDq−1ut,t∈0,1,α1u0+β1u1+γ1Iruη=ε1,η∈0,1,α2u′0+β2u′1+γ2Iru′η=ε2, where q∈1,2 is a real numbe
Externí odkaz:
https://doaj.org/article/16a483a75ca44a80926448d2d28b375d
Publikováno v:
Journal of Mathematics, Vol 2020 (2020)
In this paper, we present some theorems on impulsive periodic boundary value problems with fractional derivative dependence. In particular, we discuss the existence of solutions of a class of fractional-order impulsive periodic boundary values with n
Externí odkaz:
https://doaj.org/article/6e7ad3f082b94aeb99ca21c1da5a09a3
Publikováno v:
Journal of Mathematics, Vol 2020 (2020)
In this paper, we study the existence of nontrivial solutions for the 2nth Lidstone boundary value problem with a sign-changing nonlinearity. Under some conditions involving the eigenvalues of a linear operator, we use the topological degree theory t
Externí odkaz:
https://doaj.org/article/b4b58d2da0c94e15a49801934fcefdb5
Publikováno v:
Complexity, Vol 2019 (2019)
In this paper, we use fixed-point index to study the existence of positive solutions for a system of Hadamard fractional integral boundary value problems involving nonnegative nonlinearities. By virtue of integral-type Jensen inequalities, some appro
Externí odkaz:
https://doaj.org/article/ef95003a0fdf41c9bb4b56e94433905e
Publikováno v:
Mathematics, Vol 8, Iss 5, p 828 (2020)
In this paper, we study the existence of nontrivial solutions for a system of fractional q-difference equations involving q-integral boundary conditions, and we use the topological degree to establish our main results by considering the first eigenva
Externí odkaz:
https://doaj.org/article/e86f9c6bca454f17b0a9d66e8a529caa