59 citations · 106 across the 5 of their papers we have counts for
5 papers
Effect of Multipole Moments in the Weak Field Limit of a Black Hole Plus Halo Potential
F. L. Dubeibe, Tareq Saeed, Euaggelos E. Zotos
In this paper, we consider a Newtonian system whose relativistic counterpart describes a superimposed halo with a black hole. Our aim is to determine how the quadrupole and octupol…
Orbit classification in a disk galaxy model with a pseudo-Newtonian central black hole
Euaggelos E. Zotos, F. L. Dubeibe, André F. Steklain +1
We numerically investigate the motion of stars on the meridional plane of an axially symmetric disk galaxy model, containing a central supermassive black hole, represented by the P…
Control of COVID-19 dynamics through a fractional-order model
Samia Bushnaq, Tareq Saeed, Delfim F. M. Torres +1
We investigate, through a fractional mathematical model, the effects of physical distance on the SARS-CoV-2 virus transmission. Two controls are considered in our model for eradica…
Dynamics of a Stochastic COVID-19 Epidemic Model with Jump-Diffusion
Almaz Tesfay, Tareq Saeed, Anwar Zeb +3
For a stochastic COVID-19 model with jump-diffusion, we prove the existence and uniqueness of the global positive solution. We also investigate some conditions for the extinction a…
Short-term stability of particles in the WD J0914+1914 white dwarf planetary system
Euaggelos E. Zotos, Dimitri Veras, Tareq Saeed +1
Nearly all known white dwarf planetary systems contain detectable rocky debris in the stellar photosphere. A glaring exception is the young and still evolving white dwarf WD J0914+…