277 citations · 287 across the 7 of their papers we have counts for
7 papers
Semiclassical Structure of the Advection--Diffusion Spectrum in Mixed Phase Spaces
Christopher Amey, Bala Sundaram, Andrew C. Poje
We examine the spectral structure of the two-dimensional advection-diffusion operator in flows with mixed phase space at very large Peclet number. Using Fourier discretization comb…
Finite-time Partitions for Lagrangian Structure Identification in Gulf Stream Eddy Transport
Alexandre Fabregat, Igor Mezic, Andrew C. Poje
We develop a methodology to identify finite-time Lagrangian structures from data and models using an extension of the Koopman operator-theoretic methods developed for velocity fiel…
Submesoscale dispersion in the vicinity of the Deepwater Horizon spill
Andrew C. Poje, Tamay M. Özgökmen, Bruce Lipphardt +15
Reliable forecasts for the dispersion of oceanic contamination are important for coastal ecosystems, society and the economy as evidenced by the Deepwater Horizon oil spill in the…
Ergodicity and spectral cascades in point vortex flows on the sphere
David G. Dritschel, Marcello Lucia, Andrew C. Poje
We present results for the equilibrium statistics and dynamic evolution of moderately large () numbers of interacting point vortices on the unit sph…
Averaging and spectral properties for the 2D advection-diffusion equation in the semi-classical limit for vanishing diffusivity
Eugene Dedits, Andrew C. Poje, Tobias Schaefer +1
We consider the two-dimensional advection-diffusion equation on a bounded domain subject to either Dirichlet or von Neumann boundary conditions and study both time-independent and…
Symmetrization of advection-diffusion operators
Eugene Dedits, Andrew C. Poje, Tobias Schaefer +1
We present a new method to transform an expanded class of non-selfadjoint advection-diffusion operators into self-adjoint operators. The transform is based on a combination of a po…