3 papers
math.HO2026
Johann Heinrich Lambert's memoir "Theorie der Parallellinien": A review with commentary
Athanase Papadopoulos, Guillaume Théret
We review the memoir \emph{heorie der Parallellinien} by Johann Heinrich Lambert, written in 1766. Lambert, a victim of the prejudices of his time, conceived this memoir as an atte…
quant-ph2026
Entropy production versus memory effects in two-level open quantum systems
Guillaume Théret, Dominique Sugny, Camille L. Latune
We compare several definitions of entropy production rate introduced in the literature from a large variety of situations and motivations, and then analyze their relations with mem…
quant-ph2025
Characterization of P-divisibility in two-level open quantum systems
G. Théret, C. Lombard-Latune, D. Sugny
We study different characterizations of P-divisibility in two-level open quantum systems whose dynamics are governed by a time-local master equation with time-dependent relaxation…