155 citations · 1.3k across the 44 of their papers we have counts for
45 papers
Quantum key distribution using generalized contextuality against post-quantum eavesdroppers
Daniel Centeno, Roberto D. Baldijão, Maria Ciudad Alañón +3
Bell nonlocality allows secret key to be certified without trusting the internal operation of the devices, and even against eavesdroppers constrained only by the no-signaling princ…
The observational partial order of causal structures with latent variables
Marina Maciel Ansanelli, Elie Wolfe, Robert W. Spekkens
For two causal structures with the same set of visible variables, one is said to observationally dominate the other if the set of distributions over the visible variables realizabl…
Distinguishing quantum causal scenarios with indistinguishable classical analogs: The significance of intermediate latents
Daniel Centeno, Elie Wolfe
The use of graphical models to represent causal hypotheses has enabled revolutionary progress in the study of the foundations of quantum theory. Here we consider directed acyclic g…
Everything that can be learned about a causal structure with latent variables by observational and interventional probing schemes
Marina Maciel Ansanelli, Elie Wolfe, Robert W. Spekkens
What types of differences among causal structures with latent variables are impossible to distinguish by statistical data obtained by probing each visible variable? If the probing…
Escaping the Shadow of Bell's Theorem in Network Nonlocality
Maria Ciudad Alañón, Emanuel-Cristian Boghiu, Paolo Abiuso +1
The possibility of nonclassicality in networks unrelated to Bell's original eponymous theorem has recently attracted significant interest. Here, we identify a sufficient condition…
Causal Data Fusion with Quantum Confounders
Pedro Lauand, Bereket Ngussie Bekele, Elie Wolfe
From the modern perspective of causal inference, Bell's theorem -- a fundamental signature of quantum theory -- is a particular case where quantum correlations are incompatible wit…
Quantum nonclassicality from causal data fusion
Pedro Lauand, Bereket Ngussie Bekele, Elie Wolfe
Bell's theorem can be understood as establishing the incompatibility of quantum correlations with any classical causal explanation. Causal inference, however, relies not only on pa…
Relating Wigner's Friend Scenarios to Nonclassical Causal Compatibility, Monogamy Relations, and Fine Tuning
Yìlè Yīng, Marina Maciel Ansanelli, Andrea Di Biagio +3
Nonclassical causal modeling was developed in order to explain violations of Bell inequalities while adhering to relativistic causal structure and faithfulness -- that is, avoiding…
Classifying Causal Structures: Ascertaining when Classical Correlations are Constrained by Inequalities
Shashaank Khanna, Marina Maciel Ansanelli, Matthew F. Pusey +1
The classical causal relations between a set of variables, some observed and some latent, can induce both equality constraints (typically conditional independences) as well as ineq…
Contextuality analysis of disturbing data cannot preserve core Kochen-Specker principles
Alisson Tezzin, Elie Wolfe, Barbara Amaral +1
We address the challenge of extending the criterion for Kochen-Specker contextuality to data with disturbance, to accommodate experimental imperfections or applications to macrosco…
Inflation: a Python library for classical and quantum causal compatibility
Emanuel-Cristian Boghiu, Elie Wolfe, Alejandro Pozas-Kerstjens
We introduce Inflation, a Python library for assessing whether an observed probability distribution is compatible with a causal explanation. This is a central problem in both theor…
Experimental nonclassicality in a causal network without assuming freedom of choice
Emanuele Polino, Davide Poderini, Giovanni Rodari +10
In a Bell experiment, it is natural to seek a causal account of correlations wherein only a common cause acts on the outcomes. For this causal structure, Bell inequality violations…
A linear program for testing nonclassicality and an open-source implementation
John H. Selby, Elie Wolfe, David Schmid +2
A well motivated method for demonstrating that an experiment resists any classical explanation is to show that its statistics violate generalized noncontextuality. We here formulat…
Experimental genuine tripartite nonlocality in a quantum triangle network
Alessia Suprano, Davide Poderini, Emanuele Polino +6
Quantum networks are the center of many of the recent advances in quantum science, not only leading to the discovery of new properties in the foundations of quantum theory but also…
Experimental Demonstration that No Tripartite-Nonlocal Causal Theory Explains Nature's Correlations
Huan Cao, Marc-Olivier Renou, Chao Zhang +7
Quantum theory predicts the existence of genuinely tripartite-entangled states, which cannot be obtained from local operations over any bipartite entangled states and unlimited sha…
Accessible fragments of generalized probabilistic theories, cone equivalence, and applications to witnessing nonclassicality
John H. Selby, David Schmid, Elie Wolfe +3
The formalism of generalized probabilistic theories (GPTs) was originally developed as a way to characterize the landscape of conceivable physical theories. Thus, the GPT describin…
Restricted Hidden Cardinality Constraints in Causal Models
Beata Zjawin, Elie Wolfe, Robert W. Spekkens
Causal models with unobserved variables impose nontrivial constraints on the distributions over the observed variables. When a common cause of two variables is unobserved, it is im…
Entropic Inequality Constraints from -separation Relations in Directed Acyclic Graphs with Hidden Variables
Noam Finkelstein, Beata Zjawin, Elie Wolfe +2
Directed acyclic graphs (DAGs) with hidden variables are often used to characterize causal relations between variables in a system. When some variables are unobserved, DAGs imply a…
Contextuality without incompatibility
John H. Selby, David Schmid, Elie Wolfe +3
The existence of incompatible measurements is often believed to be a feature of quantum theory which signals its inconsistency with any classical worldview. To prove the failure of…
No Bipartite-Nonlocal Causal Theory Can Explain Nature's Correlations
Xavier Coiteux-Roy, Elie Wolfe, Marc-Olivier Renou
We show that some tripartite quantum correlations are inexplicable by any causal theory involving bipartite nonclassical common causes and unlimited shared randomness. This constit…
Any Physical Theory of Nature Must Be Boundlessly Multipartite Nonlocal
Xavier Coiteux-Roy, Elie Wolfe, Marc-Olivier Renou
We introduce the class of Genuinely Local Operation and Shared Randomness (LOSR) Multipartite Nonlocal correlations, that is, correlations between N parties that cannot be obtained…
Causal Networks and Freedom of Choice in Bell's Theorem
Rafael Chaves, George Moreno, Emanuele Polino +9
Bell's theorem is typically understood as the proof that quantum theory is incompatible with local-hidden-variable models. More generally, we can see the violation of a Bell inequa…
Algebraic and geometric properties of local transformations
Denis Rosset, Ämin Baumeler, Jean-Daniel Bancal +4
Some properties of physical systems can be characterized from their correlations. In that framework, subsystems are viewed as abstract devices that receive measurement settings as…
Understanding the interplay of entanglement and nonlocality: motivating and developing a new branch of entanglement theory
David Schmid, Thomas C. Fraser, Ravi Kunjwal +3
A standard approach to quantifying resources is to determine which operations on the resources are freely available, and to deduce the partial order over resources that is induced…