Search Results - "Ackleh, Azmy S."

Sensitivity equations for measure-valued solutions to transport equations by Ackleh, Azmy S, Saintier, Nicolas, Skrzeczkowski, Jakub

“…We consider the following transport equation in the space of bounded, nonnegative Radon measures $\mathcal{M}^+(\mathbb{R}^d)$:$$ ∂_t\mu_t + ∂_x(v(x) \mu_t) =…”
Get full text

Finite difference schemes for a structured population model in the space of measures by Ackleh, Azmy S, Lyons, Rainey, Saintier, Nicolas

“…We present two finite-difference methods for approximating solutions to a structured population model in the space of non-negative Radon Measures. The first…”
Get full text

The interplay between multiple control mechanisms in a host–parasitoid system: a discrete-time stage-structured modelling approach by Ackleh, Azmy S., Jahangir, Jenita, Veprauskas, Amy

“…We propose a discrete-time host–parasitoid model with stage structure in both species. For this model, we establish conditions for the existence and global…”
Get full text

High resolution finite difference schemes for a size structured coagulation-fragmentation model in the space of radon measures by Ackleh, Azmy S, Lyons, Rainey, Saintier, Nicolas

“…In this paper, we develop explicit and semi-implicit second-order high-resolution finite difference schemes for a structured coagulation-fragmentation model…”
Get full text

Assessing critical population thresholds under periodic disturbances by Ackleh, Azmy S., Veprauskas, Amy, Banks, John, Stark, John

“…Population responses to repeated environmental or anthropogenic disturbances depend on complicated interactions between the disturbance regime, population…”
Get full text

A continuous-time mathematical model and discrete approximations for the aggregation of β-Amyloid by Ackleh, Azmy S., Elaydi, Saber, Livadiotis, George, Veprauskas, Amy

“…Alzheimer's disease is a degenerative disorder characterized by the loss of synapses and neurons from the brain, as well as the accumulation of amyloid-based…”
Get full text

Special issue: Mathematical Modeling with Measures by Ackleh, Guest Editors Azmy S, Colombo, Rinaldo M, Goatin, Paola, Hille, Sander, Muntean, Adrian

“…The special issue is available from: http://www.aimspress.com/newsinfo/1132.html…”
Get full text

Competitive exclusion and coexistence in a two-strain pathogen model with diffusion by Ackleh, Azmy S, Deng, Keng, Wu, Yixiang

“…We consider a two-strain pathogen model described by a system of reaction-diffusion equations. We define a basic reproduction number R0 and show that when the…”
Get more information

Modeling the invasion and establishment of a tick-borne pathogen by Ackleh, Azmy S., Veprauskas, Amy

“…We develop a discrete-time tick–host–pathogen model to describe the spread of a disease in a hard-bodied tick species. This model incorporates the…”
Get full text

Finite difference schemes for a size structured coagulation-fragmentation model in the space of Radon measures by Ackleh, Azmy S, Lyons, Rainey, Saintier, Nicolas

“…Abstract We study a size-structured coagulation-fragmentation model formulated in the space of Radon measures. We reformulate this model as a mass conservation…”
Get full text

Sublethal Effects in Pest Management: A Surrogate Species Perspective on Fruit Fly Control by Banks, John E, Vargas, Roger I, Ackleh, Azmy S, Stark, John D

“…Tephritid fruit flies are economically important orchard pests globally. While much effort has focused on controlling individual species with a combination of…”
Get full text

Examining the influence of prey dynamics on predator-prey interactions by Ackleh, Azmy S., Hossain, Md Istiaq, Veprauskas, Amy

“…We develop variations of a discrete-time predator-prey model to examine how intrinsic properties of the prey population may impact overall system dynamics. We…”
Get full text

A nullcline approach to global stability in discrete-time predator-prey models by Ackleh, Azmy S., Salceanu, Paul, Veprauskas, Amy

“…In this paper, we consider a two-dimensional discrete-time predator-prey model that was recently developed in Ackleh et al. [Persistence and stability analysis…”
Get full text

Examining the effect of reoccurring disturbances on population persistence with application to marine mammals by Veprauskas, Amy, Ackleh, Azmy S., Tang, Tingting

“…•Developed a two-state Markov chain model to describe reoccurring disturbances.•Derived an approximation for the stochastic growth rate.•The growth rate is…”
Get full text

Preface to '' Modeling with measures ' by Ackleh, Azmy S, Colombo, Rinaldo M, Hille, Sander C, Muntean, Adrian

“…Different communities met in the research workshop ``Modeling with Measures" that took place at the Lorentz Center (Leiden, The Netherlands) during 26th--30th…”
Get more information

Measuring and modeling the seasonal changes of an urban Green Treefrog ( Hyla cinerea) population by Ackleh, Azmy S., Carter, Jacoby, Cole, Lauren, Nguyen, Tom, Monte, Jay, Pettit, Claire

“…Green Treefrogs ( Hyla cinerea) were captured, marked, measured and released at an urban study site in Lafayette, LA, during the 2004 and 2005 breeding…”
Get full text

Persistence and stability analysis of discrete-time predator-prey models: a study of population and evolutionary dynamics by Ackleh, Azmy S., Hossain, Md Istiaq, Veprauskas, Amy, Zhang, Aijun

“…Prolonged exposure to disturbances, such as toxicants, has the potential to result in evolutionary responses in a population. These evolutionary responses may…”
Get full text

Long-term dynamics of discrete-time predator-prey models: stability of equilibria, cycles and chaos by Ackleh, Azmy S., Hossain, Md Istiaq, Veprauskas, Amy, Zhang, Aijun

“…In [A.S. Ackleh, M.I. Hossain, A. Veprauskas, and A. Zhang, Persistence and stability analysis of discrete-time predator-prey models: A study of population and…”
Get full text

Corrigendum to "Persistence and Stability analysis of discrete-time predator-prey models: a study of population and evolutionary dynamics", Journal of Difference Equations and Applications, 25(2019), 1568-1603 by Ackleh, Azmy S., Hossain, MD Istiaq, Veprauskas, Amy, Zhang, Aijun

Get full text

Evolutionary game theory on measure spaces: Well-posedness by Cleveland, John, Ackleh, Azmy S.

“…An attempt is made to find a comprehensive mathematical framework in which to investigate the problems of well-posedness and asymptotic analysis for fully…”
Get full text