Chirag Wadhwa
@emose.bsky.social
This new technique turns out to be very powerful, also allowing us to recover the tight lower bound for mixedness testing using just a few elementary calculations!
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July 9, 2025 at 2:15 PM
This new technique turns out to be very powerful, also allowing us to recover the tight lower bound for mixedness testing using just a few elementary calculations!
3/3
3/3
We prove our lower bounds using a new quantum analogue of the Ingster-Suslina method. Essentially, we find a convenient way to decompose the quantum χ^2 divergence between a mixture of states and a fixed reference state.
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July 9, 2025 at 2:15 PM
We prove our lower bounds using a new quantum analogue of the Ingster-Suslina method. Essentially, we find a convenient way to decompose the quantum χ^2 divergence between a mixture of states and a fixed reference state.
2/3
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