Results 1 to 10 of about 1,596 (131)

Physiologically structured populations with diffusion and dynamic boundary conditions [PDF]

open access: yes, 2011
We consider a linear size-structured population model with diffusion in the size-space. Individuals are recruited into the population at arbitrary sizes. The model is equipped with generalized Wentzell-Robin (or dynamic) boundary conditions.
Farkas, J. Z., Hinow, P.
core   +2 more sources

On the Calibration of a Size-Structured Population Model from Experimental Data [PDF]

open access: yes, 2009
The aim of this work is twofold. First, we survey the techniques developed in (Perthame, Zubelli, 2007) and (Doumic, Perthame, Zubelli, 2008) to reconstruct the division (birth) rate from the cell volume distribution data in certain structured population
AL Koch   +13 more
core   +5 more sources

Adaptive dynamics in logistic branching populations [PDF]

open access: yes, 2007
We consider a trait-structured population subject to mutation, birth and competition of logistic type, where the number of coexisting types may fluctuate.
Champagnat, Nicolas, Lambert, Amaury
core   +5 more sources

On the complete phase synchronization for the Kuramoto model in the mean-field limit [PDF]

open access: yes, 2014
We study the Kuramoto model for coupled oscillators. For the case of identical natural frequencies, we give a new proof of the complete frequency synchronization for all initial data; extending this result to the continuous version of the model, we ...
Benedetto, Dario   +2 more
core   +1 more source

Size-structured populations: immigration, (bi)stability and the net growth rate [PDF]

open access: yes, 2009
We consider a class of physiologically structured population models, a first order nonlinear partial differential equation equipped with a nonlocal boundary condition, with a constant external inflow of individuals. We prove that the linearised system is
A.S. Ackleh   +23 more
core   +2 more sources

On the Inverse Problem for a Size-Structured Population Model [PDF]

open access: yes, 2006
We consider a size-structured model for cell division and address the question of determining the division (birth) rate from the measured stable size distribution of the population.
Perthame, Benoit, Zubelli, Jorge P.
core   +4 more sources

Global regularity of two-dimensional flocking hydrodynamics [PDF]

open access: yes, 2017
We study the systems of Euler equations which arise from agent-based dynamics driven by velocity \emph{alignment}. It is known that smooth solutions of such systems must flock, namely -- the large time behavior of the velocity field approaches a limiting
He, Siming, Tadmor, Eitan
core   +3 more sources

Existence of Bistable Waves in a Competitive Recursion System with Ricker Nonlinearity [PDF]

open access: yes, 2013
Using an abstract scheme of monotone semiflows, the existence of bistable traveling wave solutions of a competitive recursion system with Ricker nonlinearity is established. The traveling wave solutions formulate the strong inter-specific actions between
Liu, Jie, Pan, Shuxia
core  

A note on the existence of non-monotone non-oscillating wavefronts

open access: yes, 2013
In this note, we present a monostable delayed reaction-diffusion equation with the unimodal birth function which admits only non-monotone wavefronts.
Gomez, Carlos   +2 more
core   +1 more source

A two-strain ecoepidemic competition model

open access: yes, 2014
In this paper we consider a competition system in which two diseases spread by contact. We characterize the system behavior, establishing that only some configurations are possible.
Cavoretto, Roberto   +3 more
core   +1 more source

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