A Hamilton-Jacobi approach to evolution of dispersal

KY Lam, Y Lou, B Perthame - Communications in Partial Differential …, 2023 - Taylor & Francis
The evolution of dispersal is a classical question in evolutionary biology, and it has been
studied in a wide range of mathematical models. A selection-mutation model, in which the …

[图书][B] Spectral theory for random and nonautonomous parabolic equations and applications

J Mierczynski, W Shen - 2008 - taylorfrancis.com
Providing a basic tool for studying nonlinear problems, Spectral Theory for Random and
Nonautonomous Parabolic Equations and Applications focuses on the principal spectral …

The principal Floquet bundle and the dynamics of fast diffusing communities

KY Lam, Y Lou - Transactions of the American Mathematical Society, 2024 - ams.org
We consider, for $ N\geq 2$, the system of $ N $ competing species which are ecologically
identical and having distinct diffusion rates $\{D_i\} _ {i= 1}^ N $, in an environment with the …

Harnack inequality and exponential separation for oblique derivative problems on Lipschitz domains

J Húska - Journal of Differential Equations, 2006 - Elsevier
We consider the oblique derivative problem for linear nonautonomous second order
parabolic equations with bounded measurable coefficients on bounded Lipschitz cylinders …

[PDF][PDF] Harnack inequalities, exponential separation, and perturbations of principal Floquet bundles for linear parabolic equations

J Húska, P Poláčik, MV Safonov - Annales de l'IHP Analyse non …, 2007 - numdam.org
Harnack inequalities, exponential separation, and perturbations of principal Floquet
bundles for linear parabolic equations Iné Page 1 Ann. IH Poincaré – AN 24 (2007) 711–739 …

Principal Lyapunov exponents and principal Floquet spaces of positive random dynamical systems. I. General theory

J Mierczyński, W Shen - Transactions of the American Mathematical …, 2013 - ams.org
This series of papers is concerned with principal Lyapunov exponents and principal Floquet
subspaces of positive random dynamical systems in ordered Banach spaces. The current …

The principal Floquet bundle and exponential separation for linear parabolic equations

J Húska, P Poláčik - Journal of Dynamics and Differential Equations, 2004 - Springer
We consider linear nonautonomous second order parabolic equations on bounded domains
subject to Dirichlet boundary condition. Under mild regularity assumptions on the …

On the evolution of slow dispersal in multispecies communities

RS Cantrell, KY Lam - SIAM Journal on Mathematical Analysis, 2021 - SIAM
For any N≧2, we show that there are choices of diffusion rates {d_i\}_i=1^N such that for N
competing species which are ecologically identical and have distinct diffusion rates, the …

Lyapunov exponents and asymptotic dynamics in random Kolmogorov models

J Mierczyński, W Shen - Journal of Evolution Equations, 2004 - Springer
The current paper is devoted to the investigation of asymptotic dynamics in random
Kolmogorov models. Applying the theory of principal Lyapunov exponents and the principal …

Principal Lyapunov exponents and principal Floquet spaces of positive random dynamical systems. III. Parabolic equations and delay systems

J Mierczyński, W Shen - Journal of Dynamics and Differential Equations, 2016 - Springer
This is the third part in a series of papers concerned with principal Lyapunov exponents and
principal Floquet subspaces of positive random dynamical systems in ordered Banach …