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QuantumQuantum communication
The PPT-squared conjecture
A communication and entanglement problem asking whether composing PPT channels always produces an entanglement-breaking channel.
Contact
M. Christandl
Added
2017
Last progress
No update listed
Silicio brief
In Silicio terms, this is an open problem in quantum communication. A communication and entanglement problem asking whether composing PPT channels always produces an entanglement-breaking channel.
Use the source page for the full statement, references, and updates.
IQOQI Vienna · Open Quantum Problems