Journal of Physics A Mathematical and TheoreticalMaps on quantum states preserving the Jensen–Shannon divergenceLajos Molnár, Werner TimmermannPublished Nov 26, 2008• 6 citationsPublisherAbstractWe show that any bijective map on the space of all quantum states which preserves the Jensen–Shannon divergence is induced by a unitary or antiunitary operator.DOI10.1088/1751-8113/42/1/015301