2 papers
quant-ph2026
Tight Contraction Rates for Primitive Channels under Quantum -Divergences
Matthew Simon Tan, Marco Tomamichel, Ian George
Data-processing inequalities capture the phenomenon that two probability distributions can only become less distinguishable under any common post-processing. For more fine-grained…
quant-ph2026
Approximate virtual quantum broadcasting
Matthew Simon Tan, Davit Aghamalyan, Varun Narasimhachar
The no-broadcasting theorem, a fundamental limitation on the communication of quantum information, holds that a physical process cannot broadcast copies of an unknown quantum state…