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quant-ph2026
Counterexamples to the fractional coloring conjecture for triply efficient shadow tomography
Jędrzej Stempin, Santiago Llorens, Felix Huber
Fractional graph colorings are useful for the Shadow tomography of Pauli observables. In practice, it is desirable that any experimentally interesting set of Pauli operators has a…
quant-ph2025
Quantum Synchronizing Words: Resetting and Preparing Qutrit States
Andrzej Grudka, Marcin Karczewski, Paweł Kurzyński +3
Synchronizing words in classical automata theory provide a mechanism to reset any state of a deterministic automaton to a specific target state via a carefully chosen finite sequen…