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- Quantum Statistical Comparison, Quantum Majorization, and Their Applications to Generalized Resource Theories

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The theory of statistical comparison was formulated (chiefly by David Blackwell in the 1950s) in order to extend the theory of majorization to objects beyond probability distributions, like multivariate statistical models and stochastic transitions, and has played an important role in mathematical statistics ever since. The central concept in statistical comparison is the so-called "information ordering," according to which information need not always be a totally ordered quantity, but often takes on a multi-faceted form whose content may vary depending on its use. In this talk, after reviewing the basic ideas of statistical comparison with an emphasis on their operational character, I will discuss various generalizations to quantum theory (and beyond). I will then argue that quantum statistical comparison provides a natural framework, somehow complementary to semi-definite programming, to study quantum resource theories, with explicit examples given by the resource theories of quantum nonlocality, quantum communication, and quantum thermodynamics.

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Collection/Series:

Event Type:

Seminar

Scientific Area(s):

Speaker(s):

Event Date:

Mardi, Février 26, 2019 - 15:30 to 17:00

Location:

Bob Room

Room #:

405

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