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quant-ph2024
Shared entanglement for three-party causal order guessing game
Ryszard Kukulski, Paulina Lewandowska, Karol Życzkowski
In a variant of communication tasks, players cooperate in choosing their local strategies to compute a given task later, working separately. Utilizing quantum bits for communicatio…
quant-ph2024
Storage and retrieval of von Neumann measurements via indefinite causal order structures
Paulina Lewandowska, Ryszard Kukulski
This work presents the problem of learning an unknown von Neumann measurement of dimension using indefinite causal structures. In the considered scenario, we have access to …