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### 13.01.2016 (Wednesday)

#### Negativities, entanglement structures of qubit systems and holography

Regular Seminar Massimiliano Rota (Durham)

 at: 14:00 ICroom H503 abstract: Entanglement entropy is a very important quantity in holography, nevertheless it is only a measure of the total amount of entanglement between two complementary subsystems in a global pure state. A more detailed knowledge about the pattern of entanglement is essential for a deeper understanding of the relation between bulk geometry and quantum information in the boundary theory. I will discuss how negativities and other measures can be used in this context focusing in particular on qubit systems for which a classification of possible entanglement structures is available.