8 papers
The Most Probable Outer Density Profile from Excursion Set Theory
Ericka Florio, Vasiliki Pavlidou
Measurements of the turnaround radius around galaxy clusters can be used to break the degeneracy between measurements of the present day energy density of matter and dark energy. K…
Low Mach Number Limit and Convergence Rates for a Compressible Two-Fluid Model with Algebraic Pressure Closure
Yang Li, Mária LukáÄová-MedviÄová, Ewelina Zatorska
We study the low Mach number limit for a viscous compressible two-fluid model with algebraic pressure closure in the three-dimensional torus . The pressure is determi…
On a PDE model for Learning in Stochastic Market Entry Games
Esther Bou Dagher, Misha Perepelitsa, Ewelina Zatorska
We study a continuum model for stochastic reinforcement learning in repeated market entry games. Starting from a discrete-time microscopic learning rule, we derive a Fokker--Planck…
Weak-strong uniqueness for bi-fluid compressible system with algebraic closure
Yang Li, Mária LukáÄová-Medvid'ová, Milan Pokorný +1
We consider a real two-fluid system of compressible viscous fluids with a common velocity field and algebraic closure for the pressure law. The constitutive relation involves densi…
Microscopic derivation of a one-dimensional lubrication model with roughness
Aline Lefebvre-Lepot, Muhammed Ali Mehmood, Charlotte Perrin +1
We derive a hydrodynamic model for the motion of inertial particles with a spherical hard core, interacting through lubrication forces and pairwise repulsive forces. The repulsion…
Anelastic approximation for the degenerate compressible Navier--Stokes equations revisited
Nilasis Chaudhuri, Francesco Fanelli, Yang Li +1
In this paper, we revisit the joint low-Mach and low-Frode number limit for the compressible Navier-Stokes equations with degenerate, density-dependent viscosity. Employing the rel…