2 papers
quant-ph2025
An abstract structure determines the contextuality degree of observable-based Kochen-Specker proofs
Axel Muller, Alain Giorgetti
This article delves into the concept of quantum contextuality, specifically focusing on proofs of the Kochen-Specker theorem obtained by assigning Pauli observables to hypergraph v…
quant-ph2025
Hexagons govern three-qubit contextuality
Metod Saniga, Frédéric Holweck, Colm Kelleher +3
Split Cayley hexagons of order two are distinguished finite geometries living in the three-qubit symplectic polar space in two different forms, called classical and skew. Although…