2 papers
quant-ph2025
Unification of observational entropy with maximum entropy principles
Joseph Schindler, Philipp Strasberg, Niklas Galke +2
We introduce a definition of coarse-grained entropy that unifies measurement-based (observational entropy) and max-entropy-based (Jaynes) approaches to coarse-graining, by identify…
quant-ph2025
Learning finitely correlated states: stability of the spectral reconstruction
Marco Fanizza, Niklas Galke, Josep Lumbreras +2
Matrix product operators allow efficient descriptions (or realizations) of states on a 1D lattice. We consider the task of learning a realization of minimal dimension from copies o…