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quant-ph2026
Indefinite Quantum Causality
Fabio Costa, Giulia Rubino, Cyril Branciard +2
In recent years, operational approaches to quantum foundations have been developed as a means of understanding the core principles and distinctive features of quantum theory. Such…
quant-ph2026
Causal Order Cannot Be An Observable
Declan Maguire, Fabio Costa
Recent developments in the formalisation of quantum causal structures have made it possible to test and compare hypotheses about causal structure empirically, rather than being a-p…