[quantum-info] Today's PIQuDos: Salman Beigi

[Markus Mueller]

Hi all,

this is a reminder of Salman Beigi's quantum information talk today at 
4pm in the Time Room.


Title: *Information Theoretic Benefit of Entanglement in Classical 
Communication Settings *
Speaker: *Salman Beigi* (Institute for Research in Fundamental Sciences, 
Tehran)

Abstract:
Expressions of several information theoretic quantities involve an 
optimization over auxiliary quantum registers. Entanglement-assisted 
version of some classical communication problems provides examples of 
such expressions. Evaluating these expressions requires bounds on the 
dimension of these auxiliary registers. In the classical case such a 
bound can usually be obtained based on the Caratheodory theorem, but we 
know almost no method to bound the dimension of auxiliary quantum 
registers. In this talk to compare the classical and quantum sides of 
the problem the notion of "quantum convexification" will be defined. It 
will be shown that quantum convexification is strictly richer that the 
usual classical convexification. Moreover some techniques will be 
discussed which might be useful for bounding the dimension of quantum 
auxiliary registers.


Date: Monday, May 27, 2013 - 4:00 pm
Location: Time Room (294)


Best,
Markus
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