3 papers
quant-ph2026
QBism on Locality and Nonlocality
John B. DeBrota, Christopher A. Fuchs, Rüdiger Schack
Recently Pienaar (2026), building on work of Cavalcanti (2021), has shown that QBism cannot always assume distinct observers' quantum-measurement outcomes---say, of Wigner and his…
quant-ph2025
QBism, Polishing Some Points
Christopher A. Fuchs, Blake C. Stacey
QBism pursues the real by first eliminating the elements of quantum theory too fragile to be ontologies on their own. Thereafter, it seeks an "ontological lesson" from whatever rem…
quant-ph2024
Quantum States with Maximal Magic
Gianluca Cuffaro, Christopher A. Fuchs
Finding ways to quantify magic is an important problem in quantum information theory. Recently Leone, Oliviero and Hamma introduced a class of magic measures for qubits, the stabil…