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quant-ph2017★ 34 cited
Qutrit witness from the Grothendieck constant of order four
Péter Diviánszky, Erika Bene, Tamás Vértesi
In this paper, we prove that , where denotes the Grothendieck constant of order . To this end, we use a branch-and-bound algorithm commonly used in the s…
quant-ph2017
Measurement incompatibility does not give rise to Bell violation in general
Erika Bene, Tamás Vértesi
In the case of a pair of two-outcome measurements incompatibility is equivalent to Bell nonlocality. Indeed, any pair of incompatible two-outcome measurements can violate the Claus…