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Dagomir Kaszlikowski

National University of Singapore, Singapore, phykd@nus.edu.sg

An operational approach to bi-locality

(joint work with Kelvin Onggadinata, Paweł Kurzyński, and Valerio Scarani)

negative probabilities

We investigate a generic bi-locality scenario, presented in [1,2], using joint (quasi) probability distributions and (quasi) stochastic processes. Our approach reveals overlooked operational connections between bi-locality, (super) quantum theories and quasi-probabilities.

[1] A. J. Short, S. Popescu, and N. Gisin, Phys. Rev. A 73, 012101 (2006).

[2] P. Skrzypczyk, N. Brunner, and S. Popescu, Phys. Rev. Lett. 102, 110402 (2009).