### Some articles on *density, density matrices*:

Squashed Entanglement - Motivation For Definition of CMI Entanglement

... Now suppose is the

... Now suppose is the

**density**matrix for a tripartite system ... Suppose and, for are**density matrices**for the systems and, respectively ... It can be shown that the following**density**matrix Eq.(8) satisfies ...Memoryless Quantum Channel - Schrödinger Picture

... purely quantum channel is a map Φ between

... purely quantum channel is a map Φ between

**density matrices**acting on and with the following properties As required by postulates of quantum mechanics, Φ needs to be linear ... Since**density matrices**are positive, Φ must preserve the cone of positive elements ...**Density matrices**are specified to have trace 1, so Φ has to preserve the trace ...Quantum Jensen–Shannon Divergence

... The generalization of probability distributions on

... The generalization of probability distributions on

**density matrices**allows to define quantum Jensen–Shannon divergence (QJSD) ... It is defined for a set of**density matrices**and probability distribution as where is the von Neumann entropy ... Quantum Jensen–Shannon divergence for and two**density matrices**is a symmetric function, everywhere defined, bounded and equal to zero only if two**density matrices**...Main Site Subjects

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