Results 91 to 100 of about 868 (169)
A fractional order Covid-19 epidemic model with Mittag-Leffler kernel. [PDF]
Khan H+5 more
europepmc +1 more source
On fractional derivatives and primitives of periodic functions [PDF]
In this paper we prove that the fractional derivative or the fractional primitive of a $T$-periodic function cannot be a $\tilde{T}$-periodic function, for any period $\tilde{T}$, with the exception of the zero function.
arxiv
In this paper, we study the existence of solutions for a fractional boundary value problem involving Hadamard-type fractional differential inclusions and integral boundary conditions.
B. Ahmad, S. Ntouyas, A. Alsaedi
semanticscholar +1 more source
Fractional Euler numbers and generalized proportional fractional logistic differential equation. [PDF]
Nieto JJ.
europepmc +1 more source
Fractional contact model in the continuum [PDF]
We consider the evolution of correlation functions in a non-Markov version of the contact model in the continuum. The memory effects are introduced by assuming the fractional evolution equation for the statistical dynamics. This leads to a behavior of time-dependent correlation functions, essentially different from the one known for the standard ...
arxiv
In this article, the fractional derivatives in the sense of modified Riemann–Liouville and the exp-function method are used to construct exact solutions for some nonlinear partial fractional differential equations via the nonlinear fractional Liouville ...
Guner Ozkan, Bekir Ahmet, Bilgil Halis
doaj +1 more source
Nontrivial solutions of systems of nonlocal Caputo fractional BVPs [PDF]
We discuss the existence, non-existence and multiplicity of nontrivial solutions for systems of Caputo fractional differential equations subject to nonlocal boundary conditions. Our methodology relies on classical fixed point index and we make use of recent results by Infante and Pietramala.
arxiv
Multi-term fractional differential equations with nonlocal boundary conditions
We introduce and study a new kind of nonlocal boundary value problems of multi-term fractional differential equations. The existence and uniqueness results for the given problem are obtained by applying standard fixed point theorems.
Ahmad Bashir+3 more
doaj +1 more source
COVID-19 dynamics and immune response: Linking within-host and between-host dynamics. [PDF]
Adewole MO+3 more
europepmc +1 more source
General Solution to Sequential Linear Conformable Fractional Differential Equations With Constant Coefficients [PDF]
In this work, we give the general solution sequential linear conformable fractional differential equations in the case of constant coefficients for {\alpha}(\in)(0,1]. In homogeneous case, we use a fractional exponential function which generalizes the corresponding ordinary function.
arxiv