Maximizing the distance-based coherence of a POVM over all unitary basis changes is proven to exactly equal its distance-based sharpness for POVMs with a common eigenbasis or common MUB structure.
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Maximal coherence of quantum measurement and the resource theory of sharpness
Maximizing the distance-based coherence of a POVM over all unitary basis changes is proven to exactly equal its distance-based sharpness for POVMs with a common eigenbasis or common MUB structure.