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quant-ph2025★ 5 cited
Approximation theory for Green's functions via the Lanczos algorithm
Gabriele Pinna, Oliver Lunt, Curt von Keyserlingk
It is known that Green's functions can be expressed as continued fractions; the content at the -th level of the fraction is encoded in a coefficient , which can be recursiv…
quant-ph2025★ 3 cited
Emergent random matrix universality in quantum operator dynamics
Oliver Lunt, Thomas Kriecherbauer, Kenneth T-R McLaughlin +1
The high complexity of many-body quantum dynamics means that essentially all approaches either exploit special structure or are approximate in nature. One such approach--the memory…