Results 61 to 70 of about 653 (119)

Average sex ratio and population maintenance cost

open access: yes, 2015
The ratio of males to females in a population is a meaningful characteristic of sexual species. The reason for this biological property to be available to the observers of nature seems to be a question never asked.
Eduardo Garibaldi   +2 more
core   +1 more source

Biological and Mechanical Transmission Models of Dengue Fever

open access: yesCommunication in Biomathematical Sciences, 2019
Dengue fever disease is caused by the dengue virus and transmitted primarily by the Aedes aegypti mosquitoes. There is no vaccine available to prevent transmission of the disease until recently which makes 30% of the worlds population is at risk of the ...
Laura Laura   +3 more
doaj   +1 more source

Rhythms of the nervous system: mathematical themes and variations [PDF]

open access: yes, 2018
The nervous system displays a variety of rhythms in both waking and sleep. These rhythms have been closely associated with different behavioral and cognitive states, but it is still unknown how the nervous system makes use of these rhythms to perform ...
Kopell, Nancy
core  

Time-delayed modelling of the COVID-19 dynamics with a convex incidence rate. [PDF]

open access: yesInform Med Unlocked, 2022
Babasola O   +4 more
europepmc   +2 more sources

Mathematical modelling and analysis of stochastic malaria and COVID-19 co-infection model

open access: yesApplied Mathematics in Science and Engineering
In this article, we construct and analyse a stochastic mathematical model to study the co-infection dynamics of malaria and COVID-19 in a population. We derive the basic reproduction number associated with the disease-free equilibrium of the stochastic ...
Michael A. Pobbi   +2 more
doaj   +1 more source

Global dynamics of respiratory process in a class of bacterial culture

open access: yesJournal of Biological Dynamics
The global dynamic behavior of the respiration process in bacterial culture at different concentrations was comprehensively described using the qualitative theory of differential equations and symbolic calculation software.
Jiazhou Wu, Fabao Gao
doaj   +1 more source

Propagation dynamics for an epidemic patch model with variable incubation period

open access: yesEuropean Journal of Applied Mathematics
We study an epidemic patch model that describes the disease spread in population with variable latency due to the differences in immunologic tolerance between individuals. We focus on whether the disease can spread in space that leads to the emergence of
Zhaoquan Xu   +2 more
doaj   +1 more source

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