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quant-ph2026
Spectral Filtering for Complex Linear Dynamical Systems
Elad Hazan, Annie Marsden
We study the problem of learning complex-valued linear dynamical systems (CLDS) with sector-bounded spectrum. This class captures oscillatory and long-memory dynamics arising in si…
quant-ph2018
Online Learning of Quantum States
Scott Aaronson, Xinyi Chen, Elad Hazan +2
Suppose we have many copies of an unknown -qubit state . We measure some copies of using a known two-outcome measurement , then other copies using a measurement $E…