@four_form @UCBerkeley You mention Weinberg, but may I ask what you think of the mathematical tradition represented, for example, by https://t.co/YbyPGGU75b? In particular, I think using Neumark's dilation theorem is a worthwhile alternative to invoking de
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@juanrga @ThomasHarrigan8 A Lüders operation in general converts a pure state into a mixed state. Try https://t.co/pcklIMuzfe or https://t.co/YbyPGGU75b for quantum measurement theory. Some of the literature means what you say it means, but for what I mean
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@SturnioloSimone @StartsWithABang Locality certainly isn't lost (https://t.co/dcB0qQx6KP) and there's nothing vague about the definition of measurement in modern treatments: https://t.co/oWjkUiTUI3
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@Jess_Riedel @quantum_graeme @JoshKoomz they are more general. This paper gives a discussion that is nice: https://t.co/gJtfkSNnrC. You may also like https://t.co/UKlNGLmrB8, by P. Busch et al (foundations). Now, the main thing is when we talk about POVM,