3 papers
math-ph2026
Entropy production in Knudsen thermodynamics of compartmented systems
Timothy Chumley, Renato Feres, Zhenyi Zhang
We investigate entropy production and nonequilibrium transport in a class of random dynamical systems modeling a Knudsen gas confined to a compartmented container. The system consi…
math.AP2026
Pulse-response analysis of a simple reaction-advection-diffusion equation
Jiasong Zhu, Renato Feres, Donsub Rim +1
We analyze a reaction-advection-diffusion (RAD) equation arising in pulse-response studies of transport and reaction in a narrow reactor tube. A short pulse of gas is injected near…
math.DS2026
Nonholonomic billiards and bounded motion in cylinders
Christopher Cox, Renato Feres, Zijie Hu
A widely used mathematical model for the bouncing motion of an ideally elastic ball -- referred to in previous work by the first two authors and collaborators as a {\em no-slip bil…