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- Nagoya Institute of TechnologyJP7 papers
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6 papers · 1 filter
On Shor's conjecture on the accessible information of quantum dichotomies
Khac Duc An Thai, Michele Dall'Arno
Around the turn of the century, Shor formulated his well-known and still-open conjecture stating that the accessible information of any quantum dichotomy, that is the maximum amoun…
The signaling dimension in generalized probabilistic theories
Michele Dall'Arno, Alessandro Tosini, Francesco Buscemi
The signaling dimension of a given physical system quantifies the minimum dimension of a classical system required to reproduce all input/output correlations of the given system. T…
Tight conic approximation of testing regions for quantum statistical models and measurements
Michele Dall'Arno, Francesco Buscemi
Quantum statistical models (i.e., families of normalized density matrices) and quantum measurements (i.e., positive operator-valued measures) can be regarded as linear maps: the fo…
Adversarial guesswork with quantum side information
Baasanchimed Avirmed, Kaito Niinomi, Michele Dall'Arno
The guesswork of a classical-quantum channel quantifies the cost incurred in guessing the state transmitted by the channel when only one state can be queried at a time, maximized o…
On the Measurement attaining the Quantum Guesswork
Michele Dall'Arno
The guesswork quantifies the minimum cost incurred in guessing the state of an ensemble, when only one state can be queried at a time. In the classical case, it is well known that…
Computing the quantum guesswork: a quadratic assignment problem
Michele Dall'Arno, Francesco Buscemi, Takeshi Koshiba
The quantum guesswork quantifies the minimum number of queries needed to guess the state of a quantum ensemble if one is allowed to query only one state at a time. Previous approac…