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Related papers: Agro-ecological control of a pest-host system: pre…

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We consider a stochastic impulse control problem that is motivated by applications such as the optimal exploitation of a natural resource. In particular, we consider a stochastic system whose uncontrolled state dynamics are modelled by a…

Optimization and Control · Mathematics 2024-08-27 Zhesheng Liu , Mihail Zervos

The influence of competition and additional food on prey-predator dynamics has attracted considerable interest from mathematical biology researchers in recent times. In this study, we consider an additional food provided prey-predator model…

Dynamical Systems · Mathematics 2025-05-01 D Bhanu Prakash , D K K Vamsi

We consider an additional food provided prey-predator model exhibiting Holling type IV functional response with combined continuous white noise and discontinuous L\'evy noise. We prove the existence and uniqueness of global positive…

Optimization and Control · Mathematics 2023-09-01 D Bhanu Prakash , D K K Vamsi

This paper aims to introduce a concept of an equilibrium point of a dynamical system which will call it almost global asymptotically stable. A biological prey-predator model is also analyzed with a modification function growth in prey…

Optimization and Control · Mathematics 2020-05-27 Sadiq Al-Nassir

The dynamics of predator-prey systems influenced by intra-specific competition and additional food resources have increasingly become a subject of rigorous study in the realm of mathematical biology. In this study, we consider an additional…

Dynamical Systems · Mathematics 2025-04-28 D Bhanu Prakash , D K K Vamsi

The well-posedness of a class of optimal control problems is analysed, where the state equation couples a nonlinear degenerate Fokker-Planck equation with a system of Ordinary Differential Equations (ODEs). Such problems naturally arise as…

Optimization and Control · Mathematics 2024-11-01 Francesca Anceschi , Giacomo Ascione , Daniele Castorina , Francesco Solombrino

Vector/Pest control is essential to reduce the risk of vector-borne diseases or losses in crop fields. Among biological control tools, the sterile insect technique (SIT), is the most promising one. SIT control generally consists of massive…

Dynamical Systems · Mathematics 2020-12-30 R. Anguelov , Y. Dumont , V. Yatat

Agricultural losses to pest represent an important challenge in a global warming scenario. Intercropping is an alternative farming practice that promotes pest control without the use of chemical pesticides. Here we develop a mathematical…

Populations and Evolution · Quantitative Biology 2019-09-11 Alfonso Allen-Perkins , Ernesto Estrada

In the prospect of ecology and biology, studying insect-plant predation will considerably contribute to pest control, benefit agriculture and afforestation, and also help people to better understand insect-plant co-evolution. Therefore, we…

Computational Engineering, Finance, and Science · Computer Science 2019-12-12 Fan Yang , Takatomi Kubo , Kazushi Ikeda

In the natural world, there are many insect species whose individual members have a life history that takes them through two stages, immature and mature. Moreover, the rates of survival, development, and reproduction almost always depend on…

Dynamical Systems · Mathematics 2013-02-26 Kunwer Singh Jatav , Joydip Dhar

Elucidating the fitness measures optimized during the evolution of complex biological systems is a major challenge in evolutionary theory. We present experimental evidence and an analytical framework demonstrating how biochemical networks…

Molecular Networks · Quantitative Biology 2008-06-17 Raj Chakrabarti , Herschel Rabitz , George McLendon

Biological control, the use of predators and pathogens to control target pests, is a promising alternative to chemical control. It is hypothesized that the introduced predators efficacy can be boosted by providing them with an additional…

Populations and Evolution · Quantitative Biology 2018-10-02 Rana D. Parshad , Sureni Wickramsooriya , Susan Bailey

Biological pest control is increasingly used in agriculture as a an alternative to traditional chemical pest control. In many cases, this involves a one-off or periodic release of naturally occurring and/or genetically modified enemies such…

Populations and Evolution · Quantitative Biology 2017-08-14 Niklas L. P. Lundström , Hong Zhang , Åke Brännström

Optimal control of large particle systems with collective dynamics by few agents is a subject of high practical importance (e.g. in evacuation dynamics), but still limited mathematical basis. In particular the transition from discrete…

Optimization and Control · Mathematics 2016-10-06 Martin Burger , René Pinnau , Andreas Roth , Claudia Totzeck , Oliver Tse

We consider a nonautonomous eco-epidemiological model with general functions for predation on infected and uninfected preys as well as general functions associated to the vital dynamics of the susceptible prey and predator populations. We…

Dynamical Systems · Mathematics 2021-07-01 Lopo F. de Jesus , César M. Silva , Helder Vilarinho

Disease and pest control largely rely on pesticides use and progress still remains to be made towards more sustainable practices. Pest Monitoring Networks (PMNs) can provide useful information for improving crop protection by restricting…

Populations and Evolution · Quantitative Biology 2020-02-05 Marie-Josée Cros , Jean-Noël Aubertot , Sabrina Gaba , Xavier Reboud , Régis Sabbadin , Nathalie Peyrard

We derive the explicit solutions to singular stochastic control problems of the monotone follower type with (a) an expected discounted criterion, (b) an expected ergodic criterion and (c) a pathwise ergodic criterion. These problems have…

Optimization and Control · Mathematics 2025-02-05 Gechun Liang , Zhesheng Liu , Mihail Zervos

This paper is concerned with existence, non-existence and uniqueness of positive (coexistence) steady states to a predator-prey system with density-dependent dispersal. To overcome the analytical obstacle caused by the cross-diffusion…

Analysis of PDEs · Mathematics 2023-04-19 De Tang , Zhi-An Wang

Ecology and evolution are inseparable. Motivated by some recent experiments, we have developed models of evolutionary ecology from the perspective of dynamic networks. In these models, in addition to the intra-node dynamics, which…

Populations and Evolution · Quantitative Biology 2009-11-10 Debashish Chowdhury , Dietrich Stauffer

In this paper, we explore the solvability and the optimal control problem for a compartmental model based on reaction-diffusion partial differential equations describing a transmissible disease. The nonlinear model takes into account the…

Optimization and Control · Mathematics 2023-08-25 Pierluigi Colli , Gianni Gilardi , Gabriela Marinoschi