Sub-exponential perturbation-rate conjecture for TASEP-H

Let ρ\rho be the particle density, let hh be the critical density, let ϕ(ρ;n)\phi(\rho;n) be the finite-nn typical flux, and let ϕ\phi^* be the maximal-equilibrium-state flux. Let gg be a positive non-increasing function with g(n)0g(n)\to0 and

limnlogg(n)n=0.\lim_{n\to\infty}\frac{\log g(n)}{n}=0.

Thus g(n)g(n) is sub-exponential. Consider the model with either A-perturbations or I-perturbations, with perturbation probability ρng(n)\rho n g(n) at a given time under the corresponding perturbation rule. Sub-exponential perturbation-rate conjecture. The limiting typical flux satisfies

ϕ(ρ)=limnϕ(ρ;n)=ρ\phi(\rho)=\lim_{n\to\infty}\phi(\rho;n)=\rho

for 0<ρ<h0<\rho<h, and

ϕ(ρ)=limnϕ(ρ;n)=ϕ\phi(\rho)=\lim_{n\to\infty}\phi(\rho;n)=\phi^*

for h<ρ<1/2h<\rho<1/2. The conjecture predicts that sub-exponential perturbation rates preserve the low- and high-density flux regimes established for the basic perturbation mechanisms.

Sources & referencesView supporting material

Primary source

Seva Shneer and Alexander Stolyar, “Discrete-time TASEP with holdback”, arXiv:1905.03860 (2019).

Progress summary

Never refreshed

Nothing recorded yet. Refresh searches the literature and the public web for attempts on this problem, and writes the first summary here.

Solutions 0

No solutions have been posted yet.