筛选条件 共查询到30条结果
排序方式
Investigation of COVID-19 mathematical model under fractional order derivative

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2021; 16 ()

The given article is devoted to presentation of some results regarding existence and uniqueness of solution to a fractional order model that addressin......

Invariant measure of stochastic higher order KdV equation driven by Poisson processes*

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2021; 16 ()

The current paper is devoted to stochastic damped higher order KdV equation driven by Poisson process. We establish the well-posedness of stochastic d......

TRAVELLING WAVES SOLUTION FOR FRACTIONAL-ORDER BIOLOGICAL POPULATION MODEL

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2021; 16 ()

In this paper, we implemented the generalized (G'/G) and extended (G'/G) methods to solve fractional-order biological population models. The fractiona......

Non-constant positive solutions of a general Gause-type predator-prey system with self- and cross-diffusions*

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2021; 16 ()

In this paper, we investigate the non-constant stationary solutions of a general Gause-type predator-prey system with self- and cross-diffusions subje......

Hopf bifurcation for an SIR model with age structure

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2021; 16 ()

This paper deals with an SIR model with age structure of infected individuals. We formulate the model as an abstract non-densely defined Cauchy proble......

Error estimates for a robust finite element method of two-term time-fractional diffusion-wave equation with nonsmooth data

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2021; 16 ()

In this paper, we consider a two-term time-fractional diffusion-wave equation which involves the fractional orders alpha is an element of (1, 2) and b......

Riemann problem with delta initial data for the two-dimensional steady pressureless isentropic relativistic Euler equations

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2021; 16 ()

The Riemann problem for the two-dimensional steady pressureless isentropic relativistic Euler equations with delta initial data is studied. First, the......

Bifurcation control of a minimal model of marine plankton interaction with multiple delays

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2021; 16 ()

Plankton blooms and its control is an intriguing problem in ecology. To investigate the oscillatory nature of blooms, a two-dimensional model for plan......

Theory of optimal harvesting for a size structured model of fish

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2020; 15 ()

This paper investigates the maximum principle for a nonlinear size structured model that describes the optimal management of the fish resources taking......

EXTINCTION AND ERGODIC STATIONARY DISTRIBUTION OF A MARKOVIAN-SWITCHING PREY-PREDATOR MODEL WITH ADDITIONAL FOOD FOR PREDATOR (vol 15, 46, 2020)

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2020; 15 ()

In this work we have studied a stochastic predator-prey model where the prey grows logistically in the absence of predator. All parameters but carryin......

Hopf bifurcation of an HIV-1 virus model with two delays and logistic growth*

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2020; 15 ()

The paper establish and investigate an HIV-1 virus model with logistic growth, which also has intracellular delay and humoral immunity delay. The loca......

Analysis of the age-structured epidemiological characteristics of SARS-COV-2 transmission in mainland China: An aggregated approach

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2020; 15 ()

The novel coronavirus (SARS-Cov-2) has raged in mainland China for nearly three months resulting in a huge threat to people's health and economic deve......

Dynamics of a three species ratio-dependent food chain model with diffusion and double free boundaries

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2020; 15 ()

This paper focuses on the dynamics of a three species ratio-dependent food chain model with diffusion and double free boundaries in one dimensional sp......

Rational wave solutions to a generalized (2+1)-dimensional Hirota bilinear equation

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2020; 15 ()

A generalized form of (2+1)-dimensional Hirota bilinear (2D-HB) equation is considered herein in order to study nonlinear waves in fluids and oceans. ......

Extinction and ergodic stationary distribution of a Markovian-switching prey-predator model with additional food for predator

期刊: MATHEMATICAL MODELLING OF NATURAL PHENOMENA, 2020; 15 ()

In this work we have studied a stochastic predator-prey model where the prey grows logistically in the absence of predator. All parameters but carryin......

共30条页码: 1/2页15条/页