4 papers
Multivariate Rényi divergences characterise betting games with multiple lotteries
Andrés F. Ducuara, Erkka Haapasalo, Ryo Takakura
We provide an operational interpretation of the multivariate Rényi divergence in terms of economic-theoretic tasks based on betting, risk aversion, and multiple lotteries. We show…
All incompatible sets of measurements can generate Buscemi nonlocality
Andrés F. Ducuara, Patryk Lipka-Bartosik, Cristian E. Susa +1
The presence of Bell-nonlocality in the correlations arising from measuring spatially-separated systems guarantees that the sets of measurements used are necessarily incompatible.…
Multi-object operational tasks for measurement incompatibility
Andrés F. Ducuara, Ryo Takakura, Fernando J. Hernandez +1
We introduce multi-object operational tasks for measurement incompatibility in the form of multi-object quantum subchannel discrimination and exclusion games with prior information…
Locally inaccessible hidden quantum correlations
Andrés F. Ducuara, Cristian E. Susa, Paul Skrzypczyk
We prove, modulo a conjecture on quantum steering ellipsoids being true, the existence of the phenomenon of locally inaccessible hidden quantum correlations. That is, the existence…