QuantumChannels

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Contents

• Amplitude-Damping Coherence Contraction Endpoints
• Boundary Artanh Divergence
• CP Boundary Saturation
• ChannelTimeReversalNoGo
• Relative quantumness can increase under a commutativity-preserving channel
• ContractionGeometry
• The Amplitude-Damping Contraction Ratios Are Pointwise Ordered
• Amplitude-Damping Contraction Suprema Are Ordered
• A cooling transition with no ground-space thermal realization
• Data processing fails for the cumulant-based Renyi functional at every order above one
• A non-extreme minimum-rank superchannel extension
• Decoherence-Freeze Critical Temperature Criterion
• A strict gap between two dequantumness powers
• Flat-pair endpoint homomorphisms
• Freeze-Deposit Trichotomy and Bounds
• Volume ratios for generalized Pauli channels
• Compatibility need not imply Jordan compatibility
• Spectral zero for a lattice Lindblad generator
• Two-Hundred-Channel Numeric Coherence Certificate
• Passive memory with a nonclassical Gram matrix
• Three-weight Pauli channels have Bayesian inverses only at the maximally mixed state
• Standard-Basis Qubit Pinching
• Positive Kraus operators with an entanglement advantage
• ProjectionDiagnostics
• Purely non-unital eternal non-Markovianity
• Divisibility does not force entanglement breaking for qutrits
• A stochastic qutrit channel that is not unital
• Schur-channel mixed-unitary distance equality
• Completely useless channels and concatenation
• Unified Pinching Fee
• Unital-block overlap can be less than minus one
• Unitary Kraus Mixing Invariance