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cond-mat.stat-mech2025
Coarse-Graining via Lumping: Exact Calculations and Fundamental Limitations
Gianluca Teza, Attilio L. Stella, Trevor GrandPre
Detecting broken time-reversibility at micro- and nanoscale is often difficult when experiments offer limited state resolution. We introduce a lumping method that builds an effecti…
cond-mat.stat-mech2024★ 2 cited
Direct estimates of irreversibility from time series
Trevor GrandPre, Gianluca Teza, William Bialek
The arrow of time can be quantified through the Kullback-Leibler divergence () between the distributions of forward and reverse trajectories in a system. Many approaches to…