43 citations · 193 across the 12 of their papers we have counts for
12 papers
Tsirelson inequalities: Detecting cheating and quantumness in a single framework
Martin Plávala, Teiko Heinosaari, Stefan Nimmrichter +1
Quantumness refers to the peculiar and counterintuitive characteristics exhibited by quantum systems. Tsirelson inequalities have emerged as a powerful tool in quantum theory to de…
Complete hierarchy for high-dimensional steering certification
Carlos de Gois, Martin Plávala, René Schwonnek +1
High-dimensional quantum steering can be seen as a test for the dimensionality of entanglement, where the devices at one side are not characterized. As such, it is an important com…
Contextuality as a Precondition for Quantum Entanglement
Martin Plávala, Otfried Gühne
Quantum theory features several phenomena which can be considered as resources for information processing tasks. Some of these effects, such as entanglement, arise in a nonlocal sc…
Dispensing of quantum information beyond no-broadcasting theorem -- is it possible to broadcast anything genuinely quantum?
Teiko Heinosaari, Anna Jenčová, Martin Plávala
No-broadcasting theorem is one of the most fundamental results in quantum information theory; it guarantees that the simplest attacks on any quantum protocol, based on eavesdroppin…
Incompatibility in restricted operational theories: connecting contextuality and steering
Martin Plávala
We investigate the connection between steering and contextuality in general probabilistic theories. We show that for a class of bipartite states the steerability of the state by gi…
Entanglement and superposition are equivalent concepts in any physical theory
Guillaume Aubrun, Ludovico Lami, Carlos Palazuelos +1
We prove that any two general probabilistic theories (GPTs) are entangleable, in the sense that their composite exhibits either entangled states or entangled measurements, if and o…
Operational Theories in Phase Space: Toy Model for the Harmonic Oscillator
Martin Plávala, Matthias Kleinmann
We show how to construct general probabilistic theories that contain an energy observable dependent on position and momentum. The construction is in accordance with classical and q…
Jordan products of quantum channels and their compatibility
Mark Girard, Martin Plávala, Jamie Sikora
Given two quantum channels, we examine the task of determining whether they are compatible - meaning that one can perform both channels simultaneously but, in the future, choose ex…
Entangleability of cones
Guillaume Aubrun, Ludovico Lami, Carlos Palazuelos +1
We solve a long-standing conjecture by Barker, proving that the minimal and maximal tensor products of two finite-dimensional proper cones coincide if and only if one of the two co…
Structure of quantum and classical implementations of Popescu-Rohrlich box
Anna Jenčová, Martin Plávala
We construct implementations of the PR-box using quantum and classical channels as state spaces. In both cases our constructions are very similar and they share the same idea taken…
On the properties of spectral effect algebras
Anna Jenčová, Martin Plávala
The aim of this paper is to show that there can be either only one or uncountably many contexts in any spectral effect algebra, answering a question posed in [S. Gudder, Convex and…
No-free-information principle in general probabilistic theories
Teiko Heinosaari, Leevi Leppäjärvi, Martin Plávala
In quantum theory, the no-information-without-disturbance and no-free-information theorems express that those observables that do not disturb the measurement of another observable…