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When is the variance of one observable less than or equal to that of another with respect to all quantum states?. (arXiv:2303.07409v1 [math.FA]) http://arxiv.org/abs/2303.07409
When is the variance of one observable less than or equal to that of another with respect to all quantum states?. (arXiv:2303.07409v1 [math.FA]) http://arxiv.org/abs/2303.07409