2 papers
quant-ph2026
Combining moment matrices, symmetric extension, and Lovász theta: is entangled
Jȩdrzej Stempin, Gerard Anglès Munné, Santiago Llorens +1
We solve an open problem in entanglement theory posed by Yu et al., {\it Nature Communications 12, 1012 (2021)}. The problem is to show, via an entanglement witness, that the -…
quant-ph2026
Unitary Realizations of Synchronizing Automata in Quantum Systems
Jȩdrzej Stempin, Jan Wójcik, Gabriela Banaszak +4
We introduce a quantum analogue of a classical synchronizing automaton. In classical case the state of a system evolves according to a set of rules forming an alphabet, and sequenc…