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 Mar 29 accepted On $k$-extendability of bipartite states Mar 28 asked On $k$-extendability of bipartite states Feb 27 accepted Entanglement for Gaussian states Feb 22 awarded Yearling Feb 21 asked Entanglement for Gaussian states Sep 18 asked Purification of Gaussian states Aug 22 revised Free probability in Physics edited title Aug 22 asked Free probability in Physics Jul 13 comment Weak measurement and weak value Thanks @JohnDuffield. I really like your analogy:) If I understand correctly, you are telling me to consider the experimental limitations as well. this is something, I am ignorant about (being a math student). Let me check the links you have given, and I wish I can understand at least $\epsilon$ of the experiments :) Thanking you once again --- Jul 13 comment Weak measurement and weak value @yuggib thanks for your comment. exactly for the same controversial nature, i would like to know a rigorous mathematical definition. (may be i am wrong, but the word rigour has different meanings among maths and physics community). yet, with all the troubles/conjectures/paradoxes(!) several papers keep on appearing in arxiv (and somehow published in reputed journals). that is frustrating for me. i want to see how to start from a mathematical point of view and come to a conclusion by myself. thanking you once again, -- Jul 13 asked Weak measurement and weak value May 22 revised Can isotropic states have bound entanglement? edited title Mar 7 awarded Popular Question Jan 20 accepted Physical significance of Williamson parameters Jan 19 comment Physical significance of Williamson parameters Thank you for your answer, in particular for the last point. Of course, the entropy of the state comes in terms of the Williamson parameters. It is also suggested in your point 2 c. I am still looking, whether there is some more interesting physics hiding behind those parameters. Jan 19 asked Physical significance of Williamson parameters Oct 14 awarded Autobiographer Jul 31 accepted Is the subadditivity of quantum entropy valid in the infinite-dimensional case? Jul 31 revised Is the subadditivity of quantum entropy valid in the infinite-dimensional case? minor typos from my side... Jul 31 asked Is the subadditivity of quantum entropy valid in the infinite-dimensional case?